FA18EFG mod support Patch 4 (#3340)

- Corrected banner file types.
- Corrected australia_2005.yaml and usn_2005.yaml
- Added australia_2009.yaml and usn_2009.yaml

pydcs_extensions/__init__.py

@@ -9,6 +9,7 @@ from .jas39 import *
 from .ov10a import *
 from .su57 import *
 from .uh60l import *
+from .fa18efg import *
 
 
 def load_mods() -> None:

pydcs_extensions/fa18efg/__init__.py

@@ -0,0 +1 @@
+from .fa18efg import *