feat: pick theme with telescope

lua/plugins/themes.lua

@@ -0,0 +1,20 @@
+return {
+  {
+    "projekt0n/github-nvim-theme",
+    name = "github-theme",
+    lazy = false,
+    priority = 1000,
+    config = function()
+      require("github-theme").setup()
+    end
+  },
+  {
+    "catppuccin/nvim",
+    name = "catppuccin",
+    lazy = false,
+    priority = 1000,
+    config = function()
+      require("catppuccin").setup()
+    end
+  },
+}