chore(plugins): add f-strings and neogen plugins

lua/custom/plugins/f-strings.lua

@@ -0,0 +1,17 @@
+-- You can add your own plugins here or in other files in this directory!
+--  I promise not to create any merge conflicts in this directory :)
+--
+-- See the kickstart.nvim README for more information
+return {
+
+  -- f-strings
+  -- - auto-convert strings to f-strings when typing `{}` in a string
+  -- - also auto-converts f-strings back to regular strings when removing `{}`
+  {
+    'chrisgrieser/nvim-puppeteer',
+    dependencies = 'nvim-treesitter/nvim-treesitter',
+  },
+}
+
+-- The line beneath this is called `modeline`. See `:help modeline`
+-- vim: ts=2 sts=2 sw=2 et