re-structure neovim plugins

also delete unused ones

config/nvim/lua/aleidk/plugins-ide/doc-gen.lua

@@ -0,0 +1,15 @@
+return {
+	"danymat/neogen",
+	opts = { snippet_engine = "luasnip" },
+	dependencies = { "nvim-treesitter/nvim-treesitter" },
+	version = "*", -- stable releases
+	keys = {
+		{
+			"gcd",
+			function()
+				require("neogen").generate()
+			end,
+			desc = "Generate comment docstring",
+		},
+	},
+}