Fix links to GitHub wiki

CONTRIBUTING.md

@@ -76,7 +76,8 @@ Things we might accept
   - However, please consider whether it would be better as a separate library.
     If something is in the Idris2 repository, we need to commit to maintaining
     it to some extent, so we have to be sure that we can do so. You can find
-    (and contribute to) a list of `libraries on the wiki <https://github.com/idris-lang/Idris2/wiki/Libraries>`_.
+    (and contribute to) a list of [libraries on the wiki](
+    https://github.com/idris-lang/Idris2/wiki/1-%5BLanguage%5D-Libraries).
   - For any library additions, please try to include as many documentation
     strings as you can.
 

README.md

@@ -86,8 +86,9 @@ The javascript codegen uses the new BigInt, hence nodejs 10.4 or higher is requi
 
 Editor Plugins
 --------------
-The [wiki](https://github.com/idris-lang/Idris2/wiki/The-Idris-editor-experience)
-lists the current plugins available for common text editors and their features.
+The [wiki lists the current plugins available for common text editors](
+https://github.com/idris-lang/Idris2/wiki/1-%5BLanguage%5D-Editor-support)
+and their features.
 
 Things still missing
 --------------------
@@ -101,7 +102,7 @@ Contributions wanted
 
 + [Contribution guidelines](CONTRIBUTING.md)
 + [Good first issues](https://github.com/idris-lang/Idris2/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22)
-+ [Contributors wanted](https://github.com/idris-lang/Idris2/wiki/Contributions-wanted)
++ [Contributors wanted](https://github.com/idris-lang/Idris2/wiki/2-%5BCommunity%5D-Contributions-wanted)
 
 If you want to learn about Idris more, contributing to the compiler could be one
 way to do so. Just select one good first issue and ask about it on the [Discord](https://discord.gg/UX68fDs2jc) channel.

docs/source/backends/index.rst

@@ -85,7 +85,7 @@ or via the `IDRIS2_CG` environment variable.
 There are also external code generators that aren't part of the main Idris 2
 repository and can be found on Idris 2 wiki:
 
-`External backends <https://github.com/idris-lang/Idris2/wiki/External-backends>`_
+`External backends <https://github.com/idris-lang/Idris2/wiki/1-%5BLanguage%5D-External-backends>`_
 
 There is work in progress support for generating
 libraries for other languages from idris2 code.

docs/source/faq/faq.rst

@@ -24,7 +24,7 @@ Where can I find libraries? Is there a package manager?
 =======================================================
 
 We don't yet have a package manager, but you can still find a source of
-libraries on the wiki: https://github.com/idris-lang/Idris2/wiki/Libraries
+libraries on the wiki: https://github.com/idris-lang/Idris2/wiki/1-%5BLanguage%5D-Libraries
 
 Fortunately, the dependencies are currently not that complicated, but we'd
 still like a package manager to help! There isn't an official one yet, but

docs/source/libraries/index.rst

@@ -2,7 +2,7 @@ Where To Find Libraries
 =======================
 
 You can find a canonical source of Idris libraries on the wiki on github:
-https://github.com/idris-lang/Idris2/wiki/Libraries
+https://github.com/idris-lang/Idris2/wiki/1-%5BLanguage%5D-Libraries
 
 Please feel free to contribute your own libraries there! Eventually, we aim to
 have a package manager for managing libraries and dependencies. We do not yet