feat(pets): adds register view and validations wip

app/pets/routes.py

@@ -1,6 +1,7 @@
 from flask import request, render_template
 from app.pets import bp
 from app.services.pet_service import PetService
+from app.utils.helpers import login_required
 
 @bp.route('/')
 def index():
@@ -8,4 +9,11 @@ def index():
         "pets/index.html", 
         options=PetService.get_options(request), 
         pagination_result=PetService.get_pets(request)
-        )
+        )
+
+@bp.route('register', methods=["GET", "POST"])
+def register():
+    if request.method == 'POST':
+        PetService.register_pet(request)
+    types = PetService.get_pets_kind()
+    return render_template("pets/register.html", types=types)