Registration flow

Now, the tutor can set a general "Bio' during the registration process (/tutor/register/). The 'Bio' component is located in step 3 (Informations) of the registration flow.

Update (22/02):

• Successfully merged registration flows for learners and tutors into a single flow

frontend/src/routes/register/+page.svelte

@@ -13,6 +13,7 @@
 	let message = $state('');
 
 	let tutors = $state(data.tutors || []);
+	console.log('tutors: ', tutors);
 	let isLoading = $state(false);
 
 	let current_step = $state(
@@ -250,6 +251,8 @@
 								<div class="bg-neutral-focus text-neutral-content rounded-full w-16 h-16 mb-4">
 									{#if tutor.gender === 'female'}
 										<span class="text-2xl">👩</span>
+									{:else if tutor.gender === 'male'}
+										<span class="text-2xl">👨</span>
 									{:else}
 										<span class="text-2xl">👤</span>
 									{/if}
@@ -257,6 +260,9 @@
 							</div>
 							<h3 class="card-title text-lg font-bold text-gray-800">{tutor.nickname}</h3>
 							<p class="text-sm text-gray-600">{tutor.email}</p>
+							<p class="text-sm text-gray-600">
+								First Language: {tutor.home_language || 'Not specified'}
+							</p>
 							<p class="text-sm text-gray-500 mt-1">{tutor.bio || 'No bio available.'}</p>
 							{#if tutor.calcom_link}
 								<a