refactor: update dependencies and fix resulting errors

Upgraded JSON Schema from version 6 to version 7
Upgraded TypeDoc version to latest
Replaced 'jsonschema' with 'json-schema' package to better comply with 'ts-json-schema-generator'
Replace JSON Schema validation with AJV in areas where it wasn't used previously
Removed commander help output as it causes strange issues

resources/error.html.mustache

@@ -1,10 +1,12 @@
 <tr>
-  <td><h3>{{idx}}</h3></td>
+  <th scope="row"><h3>{{idx}}</h3></th>
   <td>
-    <div class="alert {{status}}">{{message}}</div>
-    <pre style="max-width: 600px;">{{property}} = {{instance}}</pre>
+    <div class="alert {{status}}">{{name}}</div>
+    <p>{{message}}</p>
+    <p>{{suggestion}}</p>
   </td>
-  <td>
-    <pre>{{schema}}</pre>
+  <td style="max-width: 600px">
+    <p>{{schemaPath}}</p>
+    <pre>{{instance}}</pre>
   </td>
 </tr>