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/roadmap/mod-store-stages.md

@@ -0,0 +1,11 @@
+---
+id: mod-store-stages
+title: Mod Store Stages
+slug: /roadmap/mod-store-stages
+---
+
+This page is kept for legacy links.
+
+Use the canonical roadmap page:
+
+- [Unified Roadmap](/wiki/roadmap/unified-roadmap)

docs/roadmap/unified-roadmap.md

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+---
+id: unified-roadmap
+title: Unified Roadmap
+slug: /roadmap/unified-roadmap
+---
+
+This is the canonical roadmap page for the project. It consolidates previous roadmap documents and removes duplicate planning tracks.
+
+## Status Summary
+
+- **Framework Runtime**: active
+- **Docs & Contributor Tooling**: active
+- **Mod Distribution & Audit Pipeline**: active planning
+- **Multiplayer (Steamworks)**: blocked externally
+
+## Important Multiplayer Note
+
+Multiplayer was planned around **Steamworks P2P** and that direction remains conceptually valid.  
+However, it is **currently not implementable in production** because the game developer has not integrated Steamworks support in the game runtime/API surface required for a stable implementation.
+
+## Consolidated Workstreams
+
+### 1) Framework & Hooking
+
+- Stabilize hook coverage and event contracts.
+- Keep C# and Rust bridge compatibility versioned.
+- Expand diagnostics for mod-runtime compatibility failures.
+
+### 2) Documentation & Information Architecture
+
+- Keep `/wiki/*` as canonical docs namespace.
+- Maintain separated Plugin Wiki and Mod Wiki sections.
+- Remove duplicate docs by keeping one canonical page per topic.
+
+### 3) Mod/Plugin Catalog & Distribution
+
+- Maintain dynamic `/mods` catalog with links to wiki and release endpoints.
+- Keep release metadata visible (version, author, dependencies, language).
+- Keep release-state gating (`NotReleasedYet`) explicit for users.
+
+### 4) Security Audit & Submission Workflow
+
+- Accept plugin submissions via Git repository URL.
+- Run automated static checks and suspicious-pattern scans.
+- Gate publication/release visibility on successful audit outcome.
+
+### 5) Multiplayer Track (Blocked)
+
+- Keep architecture docs for future Steamworks integration readiness.
+- Track dependencies on game-side Steamworks implementation.
+- Re-open implementation only when game runtime exposes required primitives.
+
+## Legacy Roadmap Documents
+
+The following pages are now legacy references and should not be used as primary planning sources:
+
+- `wiki-import/ROADMAP`
+- `wiki-import/Steamworks-P2P-Multiplayer-Roadmap`
+- `roadmap/mod-store-stages`