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

docs-source/osint-tool/CHANGELOG.md

@@ -0,0 +1,13 @@
+# OSINT People Search — CHANGELOG
+
+## 2026-07-10 — Documentation
+
+- Migrated web scraping API comparison and tool evaluations into the repo.
+
+## 2026-07-02 — Research
+
+- Completed comparison of web scraping APIs for OSINT data collection.
+
+## 2026-06-20 — API Planning
+
+- Drafted initial frontend UI and API integration plans.