chore(repo): clean root and move docs

- Move docs to docs/; keep areas for prompts only
- Relocate Makefile to scripts/Makefile; update docs to use it
- Move ci.Dockerfile to docker/ci.Dockerfile; update compose
- Move commitlint config to .config and update hook
- Remove root AGENTS.md (use area AGENTS.md)

scripts/Makefile

@@ -0,0 +1,39 @@
+SHELL := /usr/bin/env bash
+
+.PHONY: all check quick format lint build test security ci-image hooks-setup prompts prompts-check
+
+all: check
+
+check:
+	./scripts/ci all
+
+quick:
+	./scripts/ci format && ./scripts/ci lint
+
+format:
+	./scripts/ci format
+
+lint:
+	./scripts/ci lint
+
+build:
+	./scripts/ci build
+
+test:
+	./scripts/ci test
+
+security:
+	./scripts/ci security
+
+ci-image:
+	docker build -f docker/ci.Dockerfile -t local/ci:latest .
+
+hooks-setup:
+	./scripts/setup-hooks
+
+prompts:
+	./scripts/prompts all
+
+prompts-check:
+	./scripts/prompts lint
+