simplify credentials doc (#2488)

fern/browser-sessions/introduction.mdx

@@ -12,6 +12,7 @@ Skyvern Browser Session is a way to persist the real-time state of the browser,
 Skyvern Browser Sessions is currently is only available via [API & SDK](/api-reference/api-reference/browser-session/create-browser-session).
 
 ## Create a Browser Session
+- [API doc](/api-reference/api-reference/browser-session/create-browser-session)
 
 ```python
 from skyvern import Skyvern
@@ -22,12 +23,29 @@ browser_session = await skyvern.browser_sessions.create_browser_session(
 )
 ```
 
-The `timeout` parameter (`>=5, <=10080`) is the max time in minutes that the browser session can run. 
+- The `timeout` parameter (`>=5, <=10080`) is the max time in minutes that the browser session can run. By default, the timeout is 60 minutes.
+- The `browser_session_id` the session ID you should note.
 
+## Get A Browser Session
+- [API doc](/api-reference/api-reference/browser-session/get-browser-session)
 
+```python
+from skyvern import Skyvern
 
-## Get Information Of A Browser Session
-[API doc](/api-reference/api-reference/browser-session/get-browser-session)
+skyvern = Skyvern(api_key="YOUR_API_KEY")
+browser_session = await skyvern.browser_sessions.get_browser_session(
+	browser_session_id="YOUR_BROWSER_SESSION_ID",
+)
+```
 
-## Close a Browser Session
-[API doc](/api-reference/api-reference/browser-session/close-browser-session)
+## Close A Browser Session
+- [API doc](/api-reference/api-reference/browser-session/close-browser-session)
+
+```python
+from skyvern import Skyvern
+
+skyvern = Skyvern(api_key="YOUR_API_KEY")
+await skyvern.browser_sessions.close_browser_session(
+	browser_session_id="YOUR_BROWSER_SESSION_ID",
+)
+```