Developers/Index.md

 > Welcome to the Passwords Developer Handbook.
 
 ## Contents
-1. [Development Environment](https://git.mdns.eu/nextcloud/passwords/blob/master/CONTRIBUTING.md)
 1. [The API](./Api/Overview)
    1. [Password API](./Api/Password-Api)
    2. [Folder API](./Api/Folder-Api)
@@ -12,8 +11,7 @@
    7. [Object Search API](./Api/Object-Search)
    8. [Error Codes](./Api/Error-Codes)
 2. [Legacy API](./Api/Legacy-Api)
-3. [Verify GIT Commits](./Verify-Git-Commits)
-
-## Sample Data
-Sample data can be downloaded from [here](../_files/Sample Passwords.json).
-The sample data can be imported in the [import section](http://localhost/index.php/apps/passwords#/backup/import).
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+3. [Contributing](https://git.mdns.eu/nextcloud/passwords/blob/master/CONTRIBUTING.md)
+   1. [Development Environment](https://git.mdns.eu/nextcloud/passwords/blob/master/CONTRIBUTING.md)
+   2. [Verify GIT Commits](./Contributing/Verify-Git-Commits)
+   3. [Sample Data](./Contributing/Sample-Data)
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