fix(build): don't purge used styles

Signed-off-by: SphericalKat <amolele@gmail.com>

assets/build.js

@@ -13,7 +13,7 @@ fs.copySync("static/", "../priv/static/");
 console.log("[build.js] [info] Copying static files from static/");
 
 if (!productionBuild) {
-  console.log("[build.js] [info] Starting to watching assets for changes");
+  console.log("[build.js] [info] Starting to watch assets for changes");
 } else {
   console.log("[build.js] [info] Building assets in production mode");
 }

assets/tailwind.config.js

@@ -3,6 +3,7 @@ module.exports = {
     "../lib/**/*.ex",
     "../lib/**/*.leex",
     "../lib/**/*.eex",
+    "../lib/**/*.heex",
     "./js/**/*.js",
   ],
   darkMode: false, // or 'media' or 'class'