Merge pull request appwrite#1364 from appwrite/feat-update-readme

feat(docs): update version in readme

Author: christyjacob4

README.md

@@ -15,7 +15,7 @@
 [![Build Status](https://img.shields.io/travis/com/appwrite/appwrite?style=flat-square)](https://travis-ci.com/appwrite/appwrite)
 [![Twitter Account](https://img.shields.io/twitter/follow/appwrite_io?color=00acee&label=twitter&style=flat-square)](https://twitter.com/appwrite_io)
 
-[**Appwrite 0.8 has been released! Learn what's new!**](https://dev.to/appwrite/announcing-appwrite-0-8-an-open-source-self-hosted-baas-kda)
+[**Appwrite 0.9 has been released! Learn what's new!**](https://dev.to/appwrite/announcing-appwrite-0-8-an-open-source-self-hosted-baas-kda)
 
 Appwrite is an end-to-end backend server for Web, Mobile, Native, or Backend apps packaged as a set of Docker<nobr> microservices. Appwrite abstracts the complexity and repetitiveness required to build a modern backend API from scratch and allows you to build secure apps faster.
 
@@ -56,7 +56,7 @@ docker run -it --rm \
     --volume /var/run/docker.sock:/var/run/docker.sock \
     --volume "$(pwd)"/appwrite:/usr/src/code/appwrite:rw \
     --entrypoint="install" \
-    appwrite/appwrite:0.8.0
+    appwrite/appwrite:0.9.0
 ```
 
 ### Windows
@@ -68,7 +68,7 @@ docker run -it --rm ^
     --volume //var/run/docker.sock:/var/run/docker.sock ^
     --volume "%cd%"/appwrite:/usr/src/code/appwrite:rw ^
     --entrypoint="install" ^
-    appwrite/appwrite:0.8.0
+    appwrite/appwrite:0.9.0
 ```
 
 #### PowerShell
@@ -78,7 +78,7 @@ docker run -it --rm ,
     --volume /var/run/docker.sock:/var/run/docker.sock ,
     --volume ${pwd}/appwrite:/usr/src/code/appwrite:rw ,
     --entrypoint="install" ,
-    appwrite/appwrite:0.8.0
+    appwrite/appwrite:0.9.0
 ```
 
 Once the Docker installation completes, go to http://localhost to access the Appwrite console from your browser. Please note that on non-linux native hosts, the server might take a few minutes to start after installation completes.