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/tutor/register/+page.svelte

@@ -25,7 +25,7 @@
 	let calcom_link = '';
 	let bio: string = '';
 	const MAX_BIO_LENGTH = 100;
-	let remainingCharacters: number = MAX_BIO_LENGTH; 
+	let remainingCharacters: number = MAX_BIO_LENGTH;
 
 	let timeslots = 0n;
 
@@ -403,7 +403,6 @@
 					oninput={handleBioInput}
 					bind:value={bio}
 				></textarea>
-
 			</div>
 		</div>
 	{:else if current_step == 4}