update contributor guidance with links (#1116)

Author: fricklerhandwerk

source/contributing/how-to-contribute.md

@@ -91,6 +91,10 @@ If you want to help with development, check the [contributing guide in the Nix r
 (contribute-nixpkgs)=
 ## Contribute to Nixpkgs
 
+:::{tip}
+For a verbal introduction, watch the NixCon 2024 talk [Becoming a Nixpkgs Contributor](https://www.youtube.com/watch?v=eijTOBBbCv4).
+:::
+
 {term}`Nixpkgs` is a large software project with various areas of development.
 You can find inspiration for things to improve in the [Nixpkgs issue tracker][nixpkgs issues].
 
@@ -113,3 +117,6 @@ If you know your way around, working on [popular issues][nixos issues] will be h
 
 [nixos issues]: https://github.com/NixOS/nixpkgs/issues?q=is%3Aopen+is%3Aissue+label%3A%226.topic%3A+nixos%22+sort%3Areactions-%2B1-desc
 
+# How to get help
+
+If you prepared a pull request and need help moving forward, check [](contributing-how-to-get-help) for

source/contributing/how-to-get-help.md

@@ -1,3 +1,4 @@
+(contributing-how-to-get-help)=
 # How to get help
 
 If you need assistance with one of your contributions, there are a few places you
@@ -20,9 +21,9 @@ For better efficiency and higher chance of success, you should try contacting in
 
 ## Which communication channels to use
 
-Once you've found the people you're looking for, you can contact them on one of the following platforms:
+Once you've found the people you're looking for, you can contact them on one of the [community communication platforms](https://nixos.org/community):
 
-- GitHub
+- [GitHub](https://github.com/nixos)
 
   All the source code is maintained on GitHub.
   This is the right place to discuss implementation details.
@@ -51,7 +52,7 @@ Once you've found the people you're looking for, you can contact them on one of
 
 - Meetings and events
 
-  Check the [Discourse community calendar](https://discourse.nixos.org/t/community-calendar/18589) for real-time or in-person events.
+  Check the [official NixOS Calendar](https://calendar.google.com/calendar/u/0/[email protected]) and the [Discourse community calendar](https://discourse.nixos.org/t/community-calendar/18589) for real-time or in-person events.
   Some community teams hold regular meetings and publish their meeting notes.
 
 ## Other venues