Add link and image of NumPy comcis

Author: Mars

Makefile

@@ -16,7 +16,7 @@ help:   ## show this help
 
 prepare:
 	git submodule update --init
-	python gen_config.py
+	python3 gen_config.py
 
 # All translations share the <team>.toml files in the en translation
 TEAMS_DIR = content/en/teams

content/en/contribute.md

@@ -29,6 +29,13 @@ Our community aspires to treat everyone equally and to value all
 contributions. We have a [Code of Conduct](/code-of-conduct) to foster an open
 and welcoming environment.
 
+### 'How to Contribute to NumPy' comic
+For a visual guide, check out this [comic](https://heyzine.com/flip-book/3e66a13901.html).
+
+<a href="https://heyzine.com/flip-book/3e66a13901.html">
+  <img src="/images/numpy-comic.png"/>
+</a>
+
 ### Writing code
 
 Programmers, this