Initial editor functionality

src/app/structures/HostRecord.ts

@@ -0,0 +1,9 @@
+export default class HostRecord {
+    public value = '';
+
+    public type: 'paragraph'|'header1'|'header2'|'header3'|'header4'|'block_code' = 'paragraph';
+
+    constructor(value = '') {
+        this.value = value;
+    }
+}