Merge pull request #484 from Samq64/more-addon-pages

Add discuss-button page

content/addons/discuss-button.md

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+---
+id: discuss-button
+---
+
+**Customizable navigation bar** is an addon that allows users to add, modify, or remove links in the Scratch website's navigation bar, as well as tweak the user dropdown and change the bar's page scrolling behavior.
+
+## Background
+
+Scratch removed the discuss button that linked to the forums in July 2017.[^1] The original addon was introduced to bring it back and included an option to remove the ideas link.
+
+## Features
+
+- Add new links to Scratch pages or other websites.
+- Re-order links and change their labels.
+- Remove existing links.
+- Prevent the navigation bar from scrolling with the page.
+- Move the logged-in username out of the way.
+
+## Settings
+
+### Items
+
+Controls the links displayed between the Scratch logo and search bar. Each item has the following inputs:
+
+- Name: The link's label
+- URL: The page to link to which can be relative to the home page (e.g. /mystuff) or absolute (e.g. https://example.com).
+
+### Compact user dropdown
+
+Moves the username of the logged-in user into the profile dropdown item.
+
+### Stick to
+
+- Top of screen: The navigation bar stays visible even when the page scrolls. This is Scratch's default behavior.
+- Top of page: The navigation bar stays at the top of the page and scrolls away with it.
+
+## Credit
+
+The original addon was written by WorldLanguages, and TheColaber was the author of the rewrite.
+
+## Changelog
+
+- **v1.0.0** The first version that added the discuss button and optionally removed ideas.
+- **v1.24.0**: Made the links fully customizable.
+- **v1.28.0**: Added the compact user dropdown setting.
+- **v1.32.0**: Added the "stick to" setting.
+
+## Trivia
+
+- This is the first addon to modify the Scratch website.
+- This is the first and only addon to use a table setting.
+- This is one of the few addons to have no credits.
+
+## Gallery
+
+![Compact user dropdown](/assets/img/addons/docs/compact-nav-dropdown.png)
+
+The compact user dropdown.
+
+## Related
+
+- [Table setting pull request (#2875)](https://github.com/ScratchAddons/ScratchAddons/pull/2875)
+- [Customizable editor menu bar](https://scratch.mit.edu/scratch-addons-extension/settings#addon-custom-menu-bar)
+
+[^1]: https://scratch.mit.edu/discuss/topic/269283/