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/Sponsors.md

@@ -0,0 +1,49 @@
+---
+title: Sponsors EN
+description: Why FrikaMF sponsorship matters, support options, and where funding is used.
+sidebar_position: 150
+tags:
+  - audience:sponsor
+---
+
+## Sponsors
+
+FrikaMF is an unofficial, community-driven framework that improves modding stability for `Data Center`.
+
+## Why support this project
+
+- Faster compatibility recovery after game updates
+- Better documentation and onboarding
+- Shared runtime standards for mod authors
+
+## Sponsorship options
+
+- GitHub Sponsors
+- Ko-fi (optional)
+- One-time or recurring contributions
+
+## Funding usage
+
+- Maintenance and compatibility work
+- Tooling/CI and release infrastructure
+- Documentation quality
+
+## Technical context sample
+
+### 🦀 Rust
+
+```rust
+#[no_mangle]
+pub extern "C" fn mod_update(_dt: f32) {}
+```
+
+### 🔷 C\#
+
+```csharp
+using MelonLoader;
+
+public sealed class SponsorDemoMod : MelonMod
+{
+    public override void OnUpdate() {}
+}
+```