docs: update sidebar and documentation to include greg hooks registry

- Added new items to the sidebar for 'greg-hooks-and-events' and 'greg-hooks-registry' under the Framework and Reference categories, respectively.
- Enhanced the documentation layout by including references to the greg hooks registry in various guides and topics, improving accessibility to hook-related information.
- Updated descriptions in the documentation to clarify the purpose and usage of the greg hooks and their registry.

This commit aims to improve the visibility and usability of the greg hooks registry within the documentation.

docs/topics/ffi-and-hooks/overview.md

@@ -11,5 +11,6 @@ The framework is intended to act as a **hook proxy**: Unity / IL2CPP events are
 - [FMF hooks](/wiki/framework/fmf-hooks) — generated hook surface
 - [FMF hooks catalog](/wiki/reference/fmf-hooks-catalog) — strings from core sources
 - [FMF hook naming](/wiki/reference/fmf-hook-naming) — `FMF.*` vs legacy `FFM.*`
+- [greg hooks registry (IL2CPP)](/wiki/reference/greg-hooks-registry) — `greg_hooks.json`, `Greg*Hooks` Harmony emitters, regeneration script
 - [Framework architecture](/wiki/framework/architecture) — bridges (including Rust) and runtime layout
 - [Modding language requirement](/wiki/reference/modding-language-requirement) — C# policy for mods/plugins

docs/topics/index.md

@@ -16,7 +16,7 @@ Documentation is **curated** in this repository: guides, framework articles, ref
 |------|------------|
 | **Roles** | [By audience](/wiki/guides/players/audiences-overview) — [End users](/wiki/guides/players/overview), [Mod developers](/wiki/guides/mod-developers/overview), [Contributors (workflow)](/wiki/guides/contributors/topics-overview), [Sponsors](/wiki/guides/sponsors/overview) |
 | **Experience paths** | [Newbies](/wiki/audiences/newbies) · [Intermediates](/wiki/audiences/intermediates) · [Professionals](/wiki/audiences/professionals) |
-| **Technical reference** | [Reference & technical](/wiki/topics/reference/overview) |
+| **Technical reference** | [Reference & technical](/wiki/topics/reference/overview) — includes [greg IL2CPP hook registry](/wiki/reference/greg-hooks-registry) |
 | **Ship planning** | [Roadmap & planning](/wiki/topics/roadmap/overview) |
 | **Repository inventory** | [Repo inventory](/wiki/contributors/repo-inventory) |
 | **Steam, betas, backlog, game paths** | [Meta & operations](/wiki/topics/meta/overview) — [Game folder layout](/wiki/topics/meta/game-folder-layout) |

docs/topics/reference/overview.md

@@ -13,6 +13,7 @@ Authoritative reference material for the framework and documentation site.
 - [Modding language (C# only)](/wiki/reference/modding-language-requirement) — mods, plugins, extensions: **C#** only.
 - [FMF hook naming](/wiki/reference/fmf-hook-naming) — conventions for hook identifiers.
 - [FMF hooks catalog](/wiki/reference/fmf-hooks-catalog) — generated listing from framework sources.
+- [greg hooks registry (IL2CPP)](/wiki/reference/greg-hooks-registry) — `greg.*` Harmony hooks, `greg_hooks.json`, codegen from Il2Cpp unpack.
 - [Release channels](/wiki/reference/release-channels) — how builds are staged.
 
 See also [FFI, hooks & Lua](/wiki/topics/ffi-and-hooks/overview) for imported deep dives from the legacy wiki.