Author: dmzx special thanks to martin
Extension Description:
Displays in topics subscribe/unsubscribe link in footer
Screenshot:

Extension Download:
- Download-link
- Subscribe Topic in footer 3.2.x v1.0.0
- Download the latest release.
- Unzip the downloaded release, and change the name of the folder to `subscribetopic`.
- In the `ext` directory of your phpBB board, create a new directory named `dmzx` (if it does not already exist).
- Copy the `subscribetopic` folder to `/ext/dmzx/` if done correctly, you'll have the main extension class at
(your forum root)/ext/dmzx/subscribetopic/composer.json - Navigate in the ACP to `Customise -> Manage extensions`
- Look for `Subscribe Topic in footer` under the Disabled Extensions list, and click its `Enable` link.