Add configs for yakuake and ranger

+ Alias for using Python 3.9 and pip3.9
+ Adjust step-in and step-out vim keybinds

.vimrc

@@ -183,8 +183,8 @@ let g:clang_library_path=$LIBCLANG
 let g:clang_sort_algo="priority"
 let g:clang_close_preview=1
 let g:clang_jumpto_declaration_in_preview_key="\\"
-let g:clang_jumpto_declaration_key="+"
-let g:clang_jumpto_back_key="_"
+let g:clang_jumpto_declaration_key="]"
+let g:clang_jumpto_back_key="["
 
 " Whether or not clang should complete preprocessor patterns
 let g:clang_complete_macros=1