Revise README for Mail Activity Fetchmail

Updated the README to improve clarity and added a testing section.

Author: jans23

fetchmail_mail_activity_team_activity/README.rst

@@ -1,10 +1,33 @@
 ==========================================
-Mail Activity Fetchmail with Team Activity
+Mail Activity Fetchmail With Team Activity
 ==========================================
 
 Usage
-=====
+-----
 
 Uses mail.activity.team to configure automatic activities when mails arrive for the specified models.
 
 The configuration to add RMA and PO models (Settings --> Technical --> Activity Teams menu).
+
+Testing
+-------
+
+Team Creation:
+
+1. Go to: "Settings" -> "Technical" -> "Activity" -> "Activity Teams"
+2. Select or create a new team via the "+ New" button
+3. Fill in the necessary details:
+  - Name: e.g., ´Team1´
+  - Team Leader: e.g., ´Person1´
+  - Used models: e.g., ´Sales Order´ (can be more than one model assigned)
+  - There has to be at least one "Member" per team ("Team Leader" is counted by default)
+4. Press Save
+
+Testing:
+
+1. "Sales" -> "Orders" -> "Quotations" -> "+ New"
+2. Fill in the necessary details
+3. Send a message via the chat section in the SO
+6. Check the recipients email inbox, you should have received an email
+7. Reply to it
+8. In Odoo you should see the message from the customer and a generated activity