Add more stuff

Author: jelly

arch-contributing/index.html

@@ -60,7 +60,7 @@
 
 # Packager
 
-* Add packages to the AUR
+* Add packages to the [AUR](https://wiki.archlinux.org/index.php/Arch_User_Repository)
 * Become a [Trusted User](https://wiki.archlinux.org/index.php/Trusted_Users) or Developer
 
 ???
@@ -126,7 +126,7 @@
 
 # Reproducible Builds
 
-* Help fix reproducible build issues in upstream
+* Help fix reproducible build [issues](https://tests.reproducible-builds.org/archlinux/archlinux.html) in upstream
 * Work on a CI for reproducing our own packages
 * Join \#archlinux-reproducible