refactor(nvim): replace undotree with mundo

dots/.nvim-environments/primary/config/lua/plugins/mappings.lua

@@ -143,8 +143,8 @@ vim.keymap.set("n", "<leader>pc", packer_compile, {
     desc = "PackerCompile",
 })
 
--- Undotree mappings
-vim.keymap.set("n", "<leader>ut", ":UndotreeToggle<CR>")
+-- Mundo mappings
+vim.keymap.set("n", "<leader>ut", ":MundoToggle<CR>")
 
 -- Hop Mappings
 local hop = require("hop")

dots/.nvim-environments/primary/config/lua/plugins/plugins.lua

@@ -699,13 +699,9 @@ return packer.startup({
             end,
         })
 
-        -- Undotree, similar to git branch history
+        -- Mundo, browse and apply undo history
         use({
-            "mbbill/undotree",
-            cmd = "UndotreeToggle",
-            setup = function()
-                vim.g.undotree_WindowLayout = 3
-            end,
+            "simnalamburt/vim-mundo",
         })
 
         -- Allows repeating actions and more