Switching ui lib & refactoring (#80)

switch to shadcn ui
bump runtime versions (node, pnpm, etc)
refactor gui

postcss.config.cjs

@@ -1,5 +1,5 @@
-const tailwindcss = require('tailwindcss');
-const autoprefixer = require('autoprefixer');
+const tailwindcss = require('tailwindcss')
+const autoprefixer = require('autoprefixer')
 
 const config = {
   plugins: [
@@ -8,6 +8,6 @@ const config = {
     //But others, like autoprefixer, need to run after,
     autoprefixer
   ]
-};
+}
 
-module.exports = config;
+module.exports = config