Add formspree anti spam input that should be hidden

Author: Ferror

src/form.css

@@ -52,6 +52,11 @@ form > label {
     color: var(--global-font-color);
 }
 
+input[name=_gotcha] {
+    display: none;
+    visibility: hidden;
+}
+
 input[type=checkbox] {
     cursor: pointer;
     height: 1.25rem;