feat(admin, admin-ui, medusa-js, medusa-react, medusa): Support Admin Extensions (#4761)

Co-authored-by: Rares Stefan <948623+StephixOne@users.noreply.github.com>
Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

packages/medusa-payment-stripe/tsconfig.server.json

@@ -0,0 +1,7 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "inlineSourceMap": true /* Emit a single file with source maps instead of having a separate file. */
+  },
+  "exclude": ["src/admin", "**/*.spec.js"]
+}