release: @johanleroy/git-arboretum 1.0.0 — publication sur le registre Gitea

- renomme le paquet en @johanleroy/git-arboretum (scope routé vers le registre npm Gitea privé)
- embarque @arboretum/shared via bundleDependencies (scripts/vendor-shared.mjs au prepack)
- joint README/LICENSE au tarball (scripts/copy-meta.mjs) + metadata, keywords, publishConfig
- CI pack-smoke en mono-tarball avec assertion bundleDep ; nouveau workflow release.yml (publish sur tag v*)
- version 1.0.0 ; README mis à jour (install scopé + service systemd)

package.json

@@ -10,11 +10,11 @@
     "node": ">=22.16"
   },
   "scripts": {
-    "build": "npm run build -w @arboretum/shared -w git-arboretum -w @arboretum/web",
+    "build": "npm run build -w @arboretum/shared -w @johanleroy/git-arboretum -w @arboretum/web",
     "typecheck": "tsc -b packages/shared packages/server",
-    "pack": "npm run build && npm pack -w git-arboretum",
+    "pack": "npm run build && npm pack -w @johanleroy/git-arboretum",
     "test": "vitest run",
-    "dev:server": "npm run dev -w git-arboretum",
+    "dev:server": "npm run dev -w @johanleroy/git-arboretum",
     "dev:web": "npm run dev -w @arboretum/web"
   },
   "devDependencies": {