Refactor and add generators for keystatic and package

The changes include refactoring the create-reader in cms keystatic and changing @keystatic/next version. Additionally, code generators for keystatic and package have been added, and corresponding templates have been organized into their respective directories.

turbo/generators/templates/package/tsconfig.json.hbs

@@ -0,0 +1,8 @@
+{
+  "extends": "@kit/tsconfig/base.json",
+  "compilerOptions": {
+    "tsBuildInfoFile": "node_modules/.cache/tsbuildinfo.json"
+  },
+  "include": ["."],
+  "exclude": ["node_modules"]
+}