Improve tailscale docs (#462)

* improve tailscale docs

* Mac connection process

* fix image

* add windows tailscale (#463)

* android tailscale

* finish android instructions

* last fixes

---------

Co-authored-by: Diego Mazo <dmazo@dappnode.io>

Author: Marketen

docs/user/access-your-dappnode/vpn/tailscale.md

@@ -12,65 +12,131 @@ Using Tailscale is an excellent alternative if you're experiencing issues with U
 
 Before starting, ensure you have:
 
+- Access to your [Dappnode's Admin UI](http://my.dappnode).
 - A [Tailscale account](https://tailscale.com/).
-- Tailscale installed on your device. Download [here](https://tailscale.com/download)
-- Having access to your [Dappnode's Admin UI](https://my.dappnode) 
+- Tailscale installed on the device you want to access your Dappnode from. Download [here](https://tailscale.com/download).
 
-## Step 1: Create an Auth Key
+## Setting Up Tailscale
 
-1. Visit [Tailscale Admin Settings](https://login.tailscale.com/admin/settings/keys).
-![Authkey1](/img/authkey1.png)
+### 1. Create an Auth Key
+
+1. Log in to Tailscale and navigate to [Tailscale Admin Settings](https://login.tailscale.com/admin/settings/keys). Click on ***Generate auth key***.
+<p align="center">
+    <img width="80%"src="/img/authkey1.png"/>
+</p>
 2. Create a new auth key. Any name will work.
-![Authkey2](/img/authkey2.png)
-3. Save the key for the next step.
-![Authkey3](/img/authkey3.png)
+<p align="center">
+    <img width="50%"src="/img/authkey2.png"/>
+</p>
+3. Save the key for the next step. Do not share this key with anyone.
+<p align="center">
+    <img width="50%"src="/img/authkey3.png"/>
+</p>
 
-## Step 2: Install Tailscale on Your Dappnode
+### 2. Install Tailscale on Your Dappnode
 
 1. Access your [Dappnode's Admin UI](https://my.dappnode) 
 2. Navigate to **Dappstore** and search for the `Tailscale` package.
 3. Click **Install** 
 4. Go to the Tailscale package in **Packages** tab and enter the auth key you created during installation.
-![Authkey4](/img/authkey4.png)
+<p align="center">
+    <img width="80%"src="/img/authkey4.png"/>
+</p>
 
-Once installed, Tailscale will run as a service on your Dappnode.
+Once installed, Tailscale will run as as any other package on your Dappnode. In order to connect to your Dappnode with Tailscale, this package will need to be running.
 
-## Step 3: Configure Tailscale to Connect to Dappnode Internal Networks
+### 3. Configure Tailscale to Connect to Dappnode Internal Networks
 
-### a. Accept Advertised Routes from Your Dappnode
+#### a. Accept Advertised Routes from Your Dappnode
 
 1. Go to your [Tailscale Machines Dashboard](https://login.tailscale.com/admin/machines).
-![Machinelist](/img/machinelist.png)
+<p align="center">
+    <img width="80%"src="/img/machinelist.png"/>
+</p>
 2. Find your Dappnode device in the list of machines
 3. Open the "Edit Route Settings" modal and check the Subnet Route that appears.
-![Subnetcheck](/img/subnetcheck.png)
+<p align="center">
+    <img width="50%"src="/img/subnetcheck.png"/>
+</p>
 
-### b. Add a Custom Nameserver
+#### b. Add a Custom Nameserver
 
 1. Go to your [Tailscale DNS Admin Panel](https://login.tailscale.com/admin/dns).
-2. Find the Nameservers section, click Add nameserver button and add a custom nameserver.
-![Customserver](/img/customserver.png)
+2. Find the Nameservers section, click on **"Add nameserver"** and add a custom nameserver.
+<p align="center">
+    <img width="50%"src="/img/customserver.png"/>
+</p>
+
 3. Fill the popup with:
    - **Nameserver IP:** `172.33.1.2`
-   - Activate "Restrict to domain" switch.
+   - Activate **"Restrict to domain"** switch.
    - Set the domain as `dappnode`.
 
-## Step 4: Access Your Dappnode
 
-### a. Connect to Tailscale
+That's it! You've successfully configured Tailscale to connect to your Dappnode. All that's left is to install Tailscale on the device you want to access your Dappnode from.
+
+### 4. Connecting to Dappnode with Tailscale
+
+
+<details>
+<summary><b>macOS</b></summary>
 
-Ensure that your laptop, computer, or phone is connected to Tailscale.
+1. Open tailscale app in your finder
+2. Go to the top bar and click the tailscale logo (9 dots)
+<p align="center">
+    <img width="50%"src="/img/tailscale-2.png"/>
+    </p>
+3. Activate the switch to connect.
 
-### b. Access Dappnode Services
+</details>
 
-Visit [http://my.dappnode](http://my.dappnode) in your browser.
+<details>
+<summary> <b>Linux</b></summary>
 
-:::warning
-Have 2 or more Dappnodes? It won't work out of the box. You won't be able to choose which one it connects to.
+1. Open up a terminal and run the following command:
+```bash
+sudo tailscale up --accept-routes
+```
 
-You need to go to the machines you don't want to access and disable subnet routes. Your Tailscale will then direct you to the Dappnode that has subnets activated.
+2. If it's your first time using Tailscale in this device, a browser window may open asking to connect this device to your Tailscale account. Click on **"Connect"**. That's it! You're now connected to your Dappnode.
+
+3. To stop Tailscale in any moment, run the following command:
+```bash
+sudo tailscale down
+```
+:::info  
+Having trouble using Tailscale on Linux? Check out the [Tailscale Linux documentation](https://tailscale.com/kb/1031/install-linux) for more information.
 :::
 
----
+</details>
+
+<details>
+<summary><b>Windows</b></summary>
+
+1. Once installed, Tailscale's icon will appear in your system tray. Click on it. 
+2. If it's your first time using Tailscale in this device, a browser window may open asking to connect this device to your Tailscale account. Click on **"Connect"**. That's it! You're now connected to your Dappnode.
+
+<p align="center">
+    <img width="50%"src="/img/tailscalewindows.png"/>
+</p>
+
+3. To disconnect tailscale, right click on the icon on the system tray and log out or exit the application.
+
+:::info  
+Having trouble using Tailscale on Windows? Check out the [Tailscale Windows documentation](https://tailscale.com/kb/1022/install-windows) for more information.
+:::
+
+</details>
+
+<details>
+<summary><b>Android</b></summary>
+
+1. Open your Tailscale app
+2. Connect to your dappnode by clicking on the "Connect" button.
+
+</details>
+
+<br/>
+
 
-If you encounter any issues or need further assistance, refer to the [Dappnode Community Forums](https://forum.dappnode.io/) or the [Tailscale Support](https://tailscale.com/support/).
+If you encounter any issues or need further assistance, refer to Dappnode's [Discord](https://discord.gg/dappnode), the [Dappnode Community Forums](https://forum.dappnode.io/), or [Tailscale Support](https://tailscale.com/support/).