feat: publish bird via gitea and nix

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "@steipete/bird",
+  "name": "@yuta/bird",
   "version": "0.7.0",
   "description": "CLI tool for tweeting and replying via Twitter/X GraphQL API",
   "type": "module",
@@ -8,6 +8,10 @@
   "bin": {
     "bird": "dist/cli.js"
   },
+  "repository": {
+    "type": "git",
+    "url": "https://git.yutakobayashi.com/yuta/bird.git"
+  },
   "files": [
     "dist",
     "README.md",