Add links to plugin details tabs

[Xpirix]

• This PR is for the following issue: #313

In the current PR, each tab in a plugin detail page has a link. For example:

• About: https://plugins.qgis.org/plugins/qfieldsync/#plugin-about
• Details: https://plugins.qgis.org/plugins/qfieldsync/#plugin-details
• Versions: https://plugins.qgis.org/plugins/qfieldsync/#plugin-versions

Please find below an animated GIF showing this feature:

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (08f01b4) 32.52% compared to head (2322fe8) 32.52%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #317 +/- ## ======================================= Coverage 32.52% 32.52% ======================================= Files 71 71 Lines 4218 4218 ======================================= Hits 1372 1372 Misses 2846 2846 ```

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