feat: Made signup name fields not accept numbers

src/components/SignUp/SignUpForm.vue

@@ -83,17 +83,19 @@ const handleSubmit = async () => {
                      id="firstNameInput"
                      input-id="first-name"
                      type="text"
+                     pattern="^[^\d]+$"
                      label="Fornavn"
                      placeholder="Skriv inn ditt fornavn"
-                     invalid-message="Ugyldig fornavn"/>
+                     invalid-message="Ugyldig fornavn, husk ingen tall"/>
           <BaseInput :model-value="surnameRef"
                      @input-change-event="handleSurnameInputEvent"
                      id="surnameInput"
                      input-id="surname"
                      type="text"
+                     pattern="^[^\d]+$"
                      label="Etternavn"
                      placeholder="Skriv inn ditt etternavn"
-                     invalid-message="Ugyldig etternavn"/>
+                     invalid-message="Ugyldig etternavn, husk ingen tall"/>
           <BaseInput :model-value="emailRef"
                      @input-change-event="handleEmailInputEvent"
                      id="emailInput"