new plugins, from coq to cmp, fixes, xdebug, install python3 fixes

lua/plugins/nvim-cmp.lua

@@ -0,0 +1,29 @@
+-- A completion plugin for neovim coded in Lua.
+return {
+	'hrsh7th/nvim-cmp',
+	enabled = true,
+	lazy = true,
+	dependencies = {
+		-- nvim-cmp source for neovim builtin LSP client
+		{ 'hrsh7th/cmp-nvim-lsp' },
+
+		-- Git source for nvim-cmp
+		{ 'petertriho/cmp-git' },
+	},
+	opts = function(_, opts)
+		opts.sources = opts.sources or {}
+
+		table.insert(opts.sources, {
+			name = 'lazydev',
+			group_index = 0, -- set group index to 0 to skip loading LuaLS completions
+		})
+
+		table.insert(opts.sources, {
+			name = 'nvim_lsp'
+		})
+
+		table.insert(opts.sources, {
+			name = 'git'
+		})
+	end,
+}