Add type for *.astro files, so "pnpm typecheck" in the workspace will…

… not fail on imports of .astro modules from .ts modules.

packages/server/globals.d.ts

@@ -0,0 +1,4 @@
+declare module '*.astro' {
+  const Component: any;
+  export default Component;
+}

packages/server/tsconfig.json

@@ -9,6 +9,12 @@
     "resolveJsonModule": true,
     "types": ["@testing-library/jest-dom"]
   },
-  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.astro"],
+  "include": [
+    "globals.d.ts",
+    "src/**/*.ts",
+    "src/**/*.tsx",
+    "src/**/*.astro",
+    "src/**/*.js"
+  ],
   "exclude": [".astro", "dist", "node_modules"]
 }