fix versions

Author: lohanidamodar

README.md

@@ -23,7 +23,7 @@ Add this to your package's `pubspec.yaml` file:
 
 ```yml
 dependencies:
-  dart_appwrite: ^2.0.0
+  dart_appwrite: ^3.0.0
 ```
 
 You can install packages from the command line:

lib/src/client_browser.dart

@@ -25,7 +25,7 @@ class ClientBrowser extends ClientBase with ClientMixin {
     _httpClient = BrowserClient();
     _headers = {
       'content-type': 'application/json',
-      'x-sdk-version': 'appwrite:dart:2.0.0',
+      'x-sdk-version': 'appwrite:dart:3.0.0',
       'X-Appwrite-Response-Format' : '0.12.0',
     };
 

lib/src/client_io.dart

@@ -35,7 +35,7 @@ class ClientIO extends ClientBase with ClientMixin {
     this._endPoint = endPoint;
     this._headers = {
       'content-type': 'application/json',
-      'x-sdk-version': 'appwrite:dart:2.0.0',
+      'x-sdk-version': 'appwrite:dart:3.0.0',
       'X-Appwrite-Response-Format' : '0.12.0',
     };
 

pubspec.yaml

@@ -1,5 +1,5 @@
 name: dart_appwrite
-version: 2.0.0
+version: 3.0.0
 description: Appwrite is an open-source self-hosted backend server that abstract and simplify complex and repetitive development tasks behind a very simple REST API
 homepage: https://appwrite.io
 repository: https://github.com/appwrite/sdk-for-dart