feat: add some neovim keymaps and rustaceanvim

users/myuser/neovim/misc.nix

@@ -26,7 +26,7 @@
       # Fzf picker for arbitrary stuff
       telescope = {
         enable = true;
-        enabledExtensions = ["fzf" "notify" "ui-select"];
+        enabledExtensions = ["fzf" "notify" "ui-select" "textcase"];
         extensions.fzf-native.enable = true;
       };
 
@@ -113,6 +113,10 @@
             },
           },
         }
+
+        require('textcase').setup {
+          default_keymappings_enabled = false,
+        }
       '';
   };
 }