feat: add Vue.js frontend with JWT auth, Pinia store, and Docker

src/composables/useAuth.js

@@ -0,0 +1,19 @@
+import { useAuthStore } from '@/stores/auth'
+
+export function useAuth() {
+  const authStore = useAuthStore()
+
+  return {
+    user: authStore.user,
+    isAuthenticated: authStore.isAuthenticated,
+    error: authStore.error,
+    loading: authStore.loading,
+    signup: authStore.signup,
+    login: authStore.login,
+    logout: authStore.logout,
+    requestPasswordReset: authStore.requestPasswordReset,
+    resetPassword: authStore.resetPassword,
+    fetchProfile: authStore.fetchProfile,
+    updateProfile: authStore.updateProfile,
+  }
+}