chore: move agent material under skills/budge/

Group SKILL.md and references/ as skills/budge/ so the repo can host
additional skills alongside the runtime. Update README/AGENTS/package
README path references.

Author: aidenybai

AGENTS.md

@@ -35,7 +35,7 @@ This is a pnpm monorepo:
 
 - `packages/budge/` — the IIFE runtime, built with **isolet-js** (not vite). Don't swap the build tool without coordinating.
 - `apps/website/` — the `budge.design` Next.js site.
-- `references/` and `SKILL.md` — agent-facing material; keep behavior and snippets in sync.
+- `skills/budge/` — agent-facing material (`SKILL.md` + `references/`); keep behavior and snippets in sync with `packages/budge`.
 
 No external services (databases, Docker, etc.) are required.
 

README.md

@@ -5,7 +5,7 @@
 
 A floating control bar for single-property visual changes. Drop the IIFE on any page, change a CSS value or Tailwind class once, and budge appears so the human (or agent) can fine-tune the result with the arrow keys before committing.
 
-The agent-side workflow lives in [`SKILL.md`](./SKILL.md). Framework-specific install snippets live in [`references/INSTALL.md`](./references/INSTALL.md).
+The agent-side workflow lives in [`skills/budge/SKILL.md`](./skills/budge/SKILL.md). Framework-specific install snippets live in [`skills/budge/references/INSTALL.md`](./skills/budge/references/INSTALL.md).
 
 ## Quick start
 
@@ -29,8 +29,9 @@ import Script from "next/script";
 │   └── budge/            # the IIFE runtime (isolet-js build → dist/budge.iife.js)
 ├── apps/
 │   └── website/          # budge.design — Next.js site that hosts the IIFE + docs
-├── references/           # install snippets and the prebuilt IIFE referenced by the skill
-└── SKILL.md              # agent skill that triggers budge after atomic visual edits
+└── skills/
+    └── budge/            # agent skill (SKILL.md) + references/ used by the skill
+
 ```
 
 ## Develop

packages/budge/README.md

@@ -5,7 +5,7 @@
 
 A self-contained IIFE that puts a floating control bar on the page so you can fine-tune a single CSS property or Tailwind class change with the arrow keys.
 
-> See the top-level [`SKILL.md`](../../SKILL.md) for how budge fits into the visual editing workflow, and [`references/INSTALL.md`](../../references/INSTALL.md) for framework-specific install snippets.
+> See [`skills/budge/SKILL.md`](../../skills/budge/SKILL.md) for how budge fits into the visual editing workflow, and [`skills/budge/references/INSTALL.md`](../../skills/budge/references/INSTALL.md) for framework-specific install snippets.
 
 ## Install (CDN)