Update Readme with DI extension details 📝

Author: KoditkarVedant

README.md

@@ -52,7 +52,7 @@ dotnet add package Notion.Net
 Import and initialize the client using the integration token created above.
 
 ```csharp
-var client = new NotionClient(new ClientOptions
+var client = NotionClientFactory.Create(new ClientOptions
 {
     AuthToken = "<Token>"
 });
@@ -64,6 +64,16 @@ Make A request to any Endpoint. For example you can call below to fetch the pagi
 var usersList = await client.Users.ListAsync();
 ```
 
+## Dependency Injection
+
+Library also provides extension method to register NotionClient with Microsoft dependency injection.
+
+```
+services.AddNotionClient(options => {
+  AuthToken = "<Token>"
+});
+```
+
 ### Querying a database
 
 After you initialized your client and got an id of a database, you can query it for any contained pages. You can add filters and sorts to your request. Here is a simple example:

docs/README.md

@@ -19,7 +19,7 @@ dotnet add package Notion.Net
 Import and initialize the client using the integration token created above.
 
 ```csharp
-var client = new NotionClient(new ClientOptions
+var client = NotionClientFactory.Create(new ClientOptions
 {
     AuthToken = "<Token>"
 });
@@ -31,6 +31,16 @@ Make A request to any Endpoint. For example you can call below to fetch the pagi
 var usersList = await client.Users.ListAsync();
 ```
 
+## Register using Microsoft.Extensions.DependencyInjection
+
+Library also provides extension method to register NotionClient with Microsoft dependency injection.
+
+```
+services.AddNotionClient(options => {
+  AuthToken = "<Token>"
+});
+```
+
 ### Querying a database
 
 After you initialized your client and got an id of a database, you can query it for any contained pages. You can add filters and sorts to your request. Here is a simple example: