add lazygit shortcut for pruning tree hugger worktrees

home/common/default.nix

@@ -459,6 +459,11 @@ in
                 gh pr checkout {{.Form.pr | quote}}
               '';
             }
+            {
+              key = "D";
+              context = "localBranches";
+              command = "th prune {{.SelectedLocalBranch.Name}}";
+            }
           ];
         };
       };