codeowners: add myself to getpath, site, and venv (#126994)

Signed-off-by: Filipe Laíns <[email protected]>

Author: FFY00

.github/CODEOWNERS

@@ -81,6 +81,17 @@ Programs/_bootstrap_python.c  @ericsnowcurrently
 Programs/python.c             @ericsnowcurrently
 Tools/build/generate_global_objects.py  @ericsnowcurrently
 
+# Initialization
+Doc/library/sys_path_init.rst @FFY00
+Doc/c-api/init_config.rst     @FFY00
+
+# getpath
+**/*getpath*                  @FFY00
+
+# site
+**/*site.py                   @FFY00
+Doc/library/site.rst          @FFY00
+
 # Exceptions
 Lib/test/test_except*.py      @iritkatriel
 Objects/exceptions.c          @iritkatriel
@@ -97,7 +108,7 @@ Modules/_hacl/**              @gpshead
 **/*logging*                  @vsajip
 
 # venv
-**/*venv*                     @vsajip
+**/*venv*                     @vsajip @FFY00
 
 # Launcher
 /PC/launcher.c                @vsajip