feat(#9): Add sign up

src/lib/components/SignUp.svelte

@@ -0,0 +1,33 @@
+<script lang="ts">
+	let email = '';
+	let password = '';
+
+	// Access the supabase client from the layout data
+	export let supabase: any;
+
+	async function signUpNewUser() {
+		try {
+			const { data, error } = await supabase.auth.signUp({
+				email: email,
+				password: password,
+				options: {
+					// Redirect URL after successful sign-up
+					redirectTo: '/welcome'
+				}
+			});
+
+			if (error) {
+				throw error;
+			}
+
+			// Handle success (optional)
+		} catch (error) {
+			console.error('Sign up error:', error.message);
+			// Handle error
+		}
+	}
+</script>
+
+<input type="email" bind:value={email} placeholder="Email" />
+<input type="password" bind:value={password} placeholder="Password" />
+<button on:click={signUpNewUser}>Sign Up</button>