Update README.md

Author: pavelvlasov

README.md

@@ -1,6 +1,83 @@
 # serviceless
 
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+ [![npm version](https://badge.fury.io/js/serviceless.svg)](https://badge.fury.io/js/serviceless)
+ [![License: MIT](https://img.shields.io/badge/License-MIT-brightgreen.svg)](https://opensource.org/licenses/MIT)
 
-> Cli tool on top of Serverless framework
+**Serviceless** - cli tool on top of Serverless framework, that simplifies workflow with multiple services.
+
+Quick start
+===
+
+<img align="right" width="400" src="./assets/deploy_all.gif" />
+
+1. Install serverless framework
+```sh
+npm install serverless
+```
+2. Install serviceless cli
+```sh
+npm install serviceless
+```
+3. Deploy
+```sh
+slx deploy all
+```
+
+How to
+===
+
+Deploy
+------
+
+#### Deploy all services in a folder
+```sh
+slx deploy all
+```
+
+#### Deploy service with command line prompt
+
+```sh
+slx deploy
+```
+then select service or folder from the list.  
+
+#### Deploy service, matching string
+
+```sh
+slx deploy <query>
+```
+
+#### Flags
+
+`-b`, `--runInBand` - deploy services one by one (parallel by default)
+
+`-e`, `--exitOnFailure` - stop deployment of other services on failure
+
+Help
+------
+```sh
+slx --help
+slx deploy --help
+```
+
+What's next
+===
+
+- [ ] aggregate logs for multiple services
+- [ ] add configuration file to deploy in band services that rely on each other
+
+Contributions
+===
+
+Yes, please!
+
+Clone repo, then
+```sh
+npm install
+npm test
+```
+
+LICENCE
+===
+MIT