fix(guide): Miscellaneous fixes (#11147)

* fix: miscellaneous fixes

* docs: fix contributing link

* fix: link

* fix: you

* fix: main links

* fix: update source

* fix: update link

* fix: update update link

* fix: [

* fix: remove locale

* fix: update links

* fix: update GitHub link

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Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

apps/guide/content/docs/legacy/miscellaneous/useful-packages.mdx

@@ -75,7 +75,7 @@ await interaction.followUp(`You sent the two messages ${formatted} apart.`);
 
 Common-tags is a library all about working with template literals.  
 So far, you have probably only used them for interpolating variables into your strings, but they can do a whole lot more.
-If you've got time, you should check out [the MDN's documentation about _tagged literals_.](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals#Tagged_templates).
+If you've got time, you should check out [the MDN's documentation about _tagged literals_.](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Template_literals#Tagged_templates).
 
 Ever got annoyed your multi-line strings had nasty bits of indentation in them,
 but you did not want to remove the indentation in your source code?