feat(vim): add nvim-treesitter-textobjects

I have been wanting to play with this plugin for a long time now. I have
a minimal config that will give me most of what I need. Moving
parameters and arguments is a big one. Also selecting parameters, this
will also include the type definition so its much more powerful than
selecting words.

Jumping to functions has also been included, right now I am not sure how
much that will be used. My muscle memory is very used to <C-d> and <C-u>
for paging.

modules/nvim.lua

@@ -39,6 +39,7 @@ local start_plugins = {
   ["nvim-lint"] = { url = "https://github.com/mfussenegger/nvim-lint.git" },
   ["nvim-lspconfig"] = { url = "https://github.com/neovim/nvim-lspconfig.git" },
   ["nvim-treesitter"] = { url = "https://github.com/nvim-treesitter/nvim-treesitter.git" },
+  ["nvim-treesitter-textobjects"] = { url = "https://github.com/nvim-treesitter/nvim-treesitter-textobjects.git" },
   ["vim-surround"] = { url = "https://github.com/tpope/vim-surround.git" },
   ["vim-tmux-navigator"] = { url = "https://github.com/christoomey/vim-tmux-navigator.git" },
   ["cmp-cmdline"] = { url = "https://github.com/hrsh7th/cmp-cmdline.git", revision = "main" },

site-modules/core/files/vim/plugin/treesitter.lua

@@ -1,16 +1,49 @@
 require("nvim-treesitter.configs").setup {
   auto_install = true,
   playground = { enable = true },
-  indent = { enable = false },
+  indent = { enable = true },
   rainbow = { enable = true },
   highlight = {
     -- `false` will disable the whole extension
     enable = true,
-    additional_vim_regex_highlighting = true,
+    additional_vim_regex_highlighting = false,
+  },
+  textobjects = {
+    select = {
+      enable = true,
+      keymaps = {
+        ["af"] = "@function.outer",
+        ["if"] = "@function.inner",
+        ["aa"] = "@parameter.outer", -- this is also arguments
+        ["ia"] = "@parameter.inner", -- this is also arguments
+        ["ab"] = "@block.outer",
+        ["ib"] = "@block.inner",
+        ["ac"] = "@comment.outer",
+        ["ic"] = "@comment.inner",
+      },
+    },
+    move = {
+      enable = true,
+      set_jumps = true,
+      goto_next_start = {
+        ["]f"] = "@function.outer",
+      },
+      goto_previous_start = {
+        ["[f"] = "@function.outer",
+      },
+    },
+    swap = {
+      enable = true,
+      swap_next = {
+        ["L"] = "@parameter.inner",
+      },
+      swap_previous = {
+        ["H"] = "@parameter.inner",
+      },
+    },
   },
 }
 
-
 vim.opt.foldmethod = "expr"
 vim.opt.foldexpr = "nvim_treesitter#foldexpr()"
 vim.opt.foldenable = false