chore(deps): add bun.lock and package.json with blume dependency

package.json

@@ -0,0 +1,13 @@
+{
+  "name": "chezmoi",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "blume dev",
+    "build": "blume build",
+    "doctor": "blume doctor"
+  },
+  "dependencies": {
+    "blume": "^2.0.3"
+  }
+}