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/package.json.hbs

@@ -0,0 +1,38 @@
+{
+  "name": "@kit/{{ name }}",
+  "private": true,
+  "version": "0.1.0",
+  "exports": {
+    ".": "./index.ts"
+  },
+  "typesVersions": {
+    "*": {
+      "*": [
+        "src/*"
+      ]
+    }
+  },
+  "license": "MIT",
+  "scripts": {
+    "clean": "rm -rf .turbo node_modules",
+    "lint": "eslint .",
+    "format": "prettier --check \"**/*.{mjs,ts,md,json}\"",
+    "typecheck": "tsc --noEmit"
+  },
+  "dependencies": {
+  },
+  "devDependencies": {
+    "@kit/eslint-config": "0.2.0",
+    "@kit/prettier-config": "^0.1.0",
+    "@kit/tsconfig": "^0.1.0",
+    "eslint": "^8.56.0",
+    "prettier": "^3.1.1",
+    "typescript": "^5.3.3"
+  },
+  "eslintConfig": {
+    "extends": [
+      "@kit/eslint-config/base"
+    ]
+  },
+  "prettier": "@kit/prettier-config"
+}