make changes for better local changes and modularize nvim configs

dot_config/nvim/templates/treesitter.vim

@@ -0,0 +1,23 @@
+call plug#begin()
+" Highlighting
+Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}  " We recommend updating the parsers on update
+call plug#end()
+
+lua << EOF
+
+require'nvim-treesitter.configs'.setup {
+  ensure_installed = { "zig", "python", "c", "bash", "json" }, -- one of "all", "maintained" (parsers with maintainers), or a list of languages
+  sync_install = false, -- install languages synchronously (only applied to `ensure_installed`)
+  ignore_install = { "javascript" }, -- List of parsers to ignore installing
+  highlight = {
+    enable = true,              -- false will disable the whole extension
+    -- disable = { "c", "rust" },  -- list of language that will be disabled
+    -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
+    -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
+    -- Using this option may slow down your editor, and you may see some duplicate highlights.
+    -- Instead of true it can also be a list of languages
+    additional_vim_regex_highlighting = false,
+  },
+}
+
+EOF