make use of text fields instead of string where suitable

schemas/author.js

@@ -34,7 +34,7 @@ export default {
     {
       name: "bio",
       title: "Bio",
-      type: "string",
+      type: "text",
       validation: (Rule) => Rule.required().max(280),
     },
     {

schemas/event.js

@@ -42,7 +42,7 @@ export default {
     {
       name: "description",
       title: "Beskrivelse",
-      type: "string",
+      type: "text",
       validation: (Rule) => Rule.required().max(120),
     },
   ],