feat(plugins): add multiple new Lua plugins for various functionalities

feat(plugins): add various new Lua plugins for Neovim configuration.

feat(plugins): add venv-selector, vim-maximizer, and vim-tmux-navigator plugins to enhance functionality

lua/absolute/plugins/gitignore.lua

@@ -0,0 +1,9 @@
+return {
+    "wintermute-cell/gitignore.nvim",
+    dependencies = {
+        "nvim-telescope/telescope.nvim",
+    },
+    config = function()
+        require("absolute.after.gitignore")
+    end
+}