fix vim keys

Author: Stephan Dilly

assets/vim_style_key_config.ron

@@ -71,7 +71,7 @@
     delete_branch: ( code: Char('D'), modifiers: ( bits: 1,),),
     push: ( code: Char('p'), modifiers: ( bits: 0,),),
     force_push: ( code: Char('P'), modifiers: ( bits: 1,),),
-    fetch: ( code: Char('f'), modifiers: ( bits: 0,),),
+    pull: ( code: Char('f'), modifiers: ( bits: 0,),),
 
     //removed in 0.11
     //tab_toggle_reverse_windows: ( code: BackTab, modifiers: ( bits: 1,),),