Merge Docusaurus site: all content under docs/, align with gregFramework split layout

- Move markdown and wiki-import tree into docs/; keep app shell at repo root
- Point docusaurus docs path to docs/; edit links to mleem97/gregWiki
- Sync and i18n scripts use gregWiki root and ../.wiki under gregFramework
- Sidebars: workspace layout from root docs ids; plugins under mods/extensions
- Fix redirects, module catalog URLs, release note paths, and wiki-import category keys
- Update repo inventory for split repos; Dockerfile for single-repo context

Made-with: Cursor

docs/topics/security-legal/overview.md

@@ -0,0 +1,16 @@
+---
+title: Security & legal
+sidebar_label: Security & legal (hub)
+description: Licenses, disclaimers, developer correspondence — links into wiki-import.
+---
+
+# Security & legal
+
+Curated links into imported pages (canonical text may live under `wiki-import/`).
+
+- [License / legal (EN)](/wiki/wiki-import/License-Legal)
+- [Lizenz / Rechtliches (DE)](/wiki/wiki-import/Lizenz-Rechtliches)
+- [Disclaimer (End user)](/wiki/wiki-import/EndUser/Reference/Disclaimer)
+- [Brief an WASEKU](/wiki/wiki-import/Brief-an-WASEKU) / [Letter to WASEKU (EN)](/wiki/wiki-import/Letter-to-WASEKU)
+
+For repository licensing, see the root `LICENSE.txt` in the GitHub repo.