update code to take input from env vars

add the ability to use many api keys
replaced some prints with logging
added stats

ai.py

@@ -7,10 +7,8 @@ from google import genai
 from google.genai import types
 
 
-def generate(description, instruction):
-    client = genai.Client(
-        api_key=""
-    )
+def generate(description, instruction, api_key):
+    client = genai.Client(api_key=api_key)
 
     model = "gemini-2.5-flash"
     contents = [