Even more doc.

30.about/10.contributing/frontmatter.yaml

+#visible: false
\ No newline at end of file

30.contributing/page.en.md → 30.about/10.contributing/page.en.md

@@ -7,9 +7,10 @@ slug: contributing
 
 - Flat files
   - enhanced markdown for content
-  - YAML frontmatter for metadata
-- Continuous integration
-- Versioning using git
+  - [YAML frontmatter](https://learn.getgrav.org/15/content/headers) for metadata
+- Continuous integration using [GitLab](https://m3p2.ljbac.com)
+- Decentralized versioning using [Git](https://en.wikipedia.org/wiki/Git)
+- HTML generation using Grav (PHP)
 
 
 ## Data Flow

30.about/page.en.md

+---
+title: About
+slug: about
+---
+
+- [Authors](/authors)
+- [Sponsors](/sponsors)
+- [Contributing](/about/contributing)
\ No newline at end of file

30.contributing/frontmatter.yaml

-visible: false
\ No newline at end of file