feat(create-medusa-app): add support for pnpm and specifying package manager (#14443)

* feat(create-medusa-app): add support for pnpm and specifying package manager

* fixes

* add medusa command method

* add tests for package manager

* fix duplicate messages

* throw if chosen package manager is not available

* better package manager and version detector

* add debug message

* fix version detection

* fix for yarn v3

* fix migration command

* yarn v3 fix

* remove .yarn directory for non-yarn package managers

* run npm ci to validate npm installation

* fixes

* fixes

* remove corepack line

* remove if condition

packages/cli/create-medusa-app/tsconfig.json

@@ -10,6 +10,13 @@
     "resolveJsonModule": true
   },
   "include": ["src"],
+  "exclude": [
+    "dist",
+    "src/**/__tests__",
+    "src/**/__mocks__",
+    "src/**/__fixtures__",
+    "node_modules"
+  ],
   "ts-node": {
     "esm": true,
     "experimentalSpecifierResolution": "node",