feat(14): enabling tailwindcss

the command to generate
"tailwindcss -i ./src/input.css -o ./src/main/resources/public/output.css --watch"
and this should be same during dev and in install script,
but. we'll be committing the output.css, let's try that

14-rock-paper-scissors/tailwind.config.js

@@ -0,0 +1,9 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+  content: ['./src/**/*.{html,scala}'],
+  theme: {
+    extend: {},
+  },
+  plugins: [],
+}
+