feat: implement user profile management with avatars, login, and personal data

- Add avatar upload functionality with public URL access.
- Implement user login with email and password authentication.
- Create endpoints for fetching and updating the authenticated user's profile.
- Set up database migrations for user profiles, including email and role management.
- Introduce personal data management linked to user profiles.
- Add email verification process with welcome email templates.

frontend/postcss.config.js

@@ -0,0 +1,29 @@
+// https://github.com/michael-ciniawsky/postcss-load-config
+
+import autoprefixer from 'autoprefixer'
+// import rtlcss from 'postcss-rtlcss'
+
+export default {
+  plugins: [
+    // https://github.com/postcss/autoprefixer
+    autoprefixer({
+      overrideBrowserslist: [
+        'last 4 Chrome versions',
+        'last 4 Firefox versions',
+        'last 4 Edge versions',
+        'last 4 Safari versions',
+        'last 4 Android versions',
+        'last 4 ChromeAndroid versions',
+        'last 4 FirefoxAndroid versions',
+        'last 4 iOS versions'
+      ]
+    }),
+
+    // https://github.com/elchininet/postcss-rtlcss
+    // If you want to support RTL css, then
+    // 1. yarn/pnpm/bun/npm install postcss-rtlcss
+    // 2. optionally set quasar.config.js > framework > lang to an RTL language
+    // 3. uncomment the following line (and its import statement above):
+    // rtlcss()
+  ]
+}