Refact: move bopytex.bopytex to service.main

test/test_e2e.py

@@ -1,7 +1,7 @@
 import os
 import jinja2
 from pathlib import Path
-from bopytex.bopytex import bopytex
+from bopytex.service import main
 import pytest
 
 
@@ -43,7 +43,7 @@ def test_with_default_planner(template_path, jinja2_env, tmp_path):
         },
     }
 
-    for message in bopytex(**options):
+    for message in main(**options):
         pass
 
     assert Path("joined_source.pdf").exists()