feat: add ripple effect, update theme styles and layout

src/components/tools/Passwords.vue

@@ -0,0 +1,15 @@
+<script setup>
+</script>
+
+<template>
+  <div class="passwords-tool">
+    <h2>Passwords Generator</h2>
+    <p>This is the passwords generator tool (work in progress).</p>
+  </div>
+</template>
+
+<style scoped>
+.passwords-tool {
+  padding: 1rem;
+}
+</style>