feat: initial itpp-docs setup with MkDocs Material

- mkdocs.yml with dark slate theme, nav for 12 ITPP projects
- build-docs.sh aggregates docs from all project repos
- .gitea/workflows/docs-publish.yml for nightly rebuild+deploy
- README and CHANGELOG for the itpp-docs repo itself
- docs-source/ populated from all 12 repos
- site/ ready for deployment to docs.itpropartner.com

mkdocs.yml

@@ -0,0 +1,47 @@
+site_name: "IT Pro Partner Docs"
+site_url: "https://docs.itpropartner.com/"
+repo_url: "https://git.itpropartner.com/ippadmin/itpp-docs"
+edit_uri: edit/main/docs-source/
+docs_dir: docs-source
+
+theme:
+  name: material
+  palette:
+    scheme: slate
+    primary: indigo
+    accent: indigo
+  features:
+    - navigation.instant
+    - navigation.tracking
+    - navigation.tabs
+    - navigation.sections
+    - search.highlight
+    - search.share
+
+plugins:
+  - search
+
+markdown_extensions:
+  - admonition
+  - pymdownx.details
+  - pymdownx.superfences
+  - pymdownx.highlight
+  - tables
+  - toc:
+      permalink: true
+
+nav:
+  - Home: index.md
+  - Projects:
+      - ITPP Infrastructure: itpp-infrastructure/index.md
+      - ITPP Standards: itpp-standards/index.md
+      - TransitPin: transitpin/index.md
+      - HomeLab: homelab/index.md
+      - Scripts: scripts/index.md
+      - FleetTracker360: fleettracker360/index.md
+      - Shark Game: shark-game/index.md
+      - VerdictTank: verdicttank/index.md
+      - Apex Track: apex-track/index.md
+      - BoxPilot: boxpilot/index.md
+      - OSINT Tool: osint-tool/index.md
+      - LaunchCheck: launchcheck/index.md