refactor: use bun for package management

+ add package.json to each packages
+ update import path

packages/utils/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "@odyssey/utils",
+  "version": "0.0.0",
+  "private": true,
+  "main": "index.ts",
+  "types": "index.ts",
+  "exports": {
+    ".": "./index.ts"
+  }
+}