cli_create_physics: Fix SyntaxWarning

pyfrc/mains/cli_create_physics.py:5: SyntaxWarning: invalid escape sequence '\o' physics_starter = '''
robotpy · Jan 3, 2025 · 6ff1908 · 6ff1908
1 parent 792f68b
commit 6ff1908
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pyfrc/mains/cli_create_physics.py b/pyfrc/mains/cli_create_physics.py
@@ -2,7 +2,7 @@
 import sys
 
 
-physics_starter = '''
+physics_starter = r'''
 #
 # See the documentation for more details on how this works
 #