Add week8 contributions

week8/community_contributions/modal_services/get_started.py

@@ -0,0 +1,12 @@
+import sys, modal
+
+app = modal.App("example-hello-world")
+
+@app.function()
+def f(i: int) -> int:
+    if i % 2 == 0:
+        print("hello", i)
+    else:
+        print("world", i, file=sys.stderr)
+
+    return i * i