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

i18n/de/docusaurus-plugin-content-docs/current/wiki-import/Contributors/Reference/Index.md

@@ -0,0 +1,3 @@
+# Reference Index EN
+
+- [Naming Convention EN](Naming-Convention)

i18n/de/docusaurus-plugin-content-docs/current/wiki-import/Contributors/Reference/Naming-Convention.md

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+# Naming Convention EN
+
+## Unified Standard
+
+- Folders: `PascalCase`
+- Files: `Title-Case-Kebab.md`
+- English mirror: `-en` suffix (`Page-Name-en.md`)
+
+## Examples
+
+- `EndUser/Guides/Framework-Dependency.md`
+- `EndUser/Guides/Framework-Dependency-en.md`

i18n/de/docusaurus-plugin-content-docs/current/wiki-import/Contributors/Reference/_category_.json

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+{
+  "key": "wiki-import-contributors-reference"
+}