Fix RunIt deployment: add sys.path for src layout, add requirements.txt

The runner needs requirements.txt (not pyproject.toml) and the opensky
package lives in src/ which needs to be on sys.path.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: federicodeponte

main.py

@@ -1,5 +1,11 @@
 """RunIt entry point: exposes OpenSky's SearchEngine as a deployable function."""
 
+import sys
+import os
+
+# Add src/ to path so opensky package is importable
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "src"))
+
 from opensky.search import SearchEngine
 
 

requirements.txt

@@ -0,0 +1,7 @@
+curl-cffi>=0.7
+typer>=0.15
+rich>=13.0
+pydantic>=2.10
+airportsdata>=20240101
+ratelimit>=2.2
+httpx>=0.27