Hide posts tool (#2299)

* Set up hidden posts persisted state

* Wrap moderatePost

* Integrate hidden posts into moderation

* Complete hide-post behaviors

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Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/lib/moderation.ts

@@ -60,6 +60,13 @@ export function describeModerationCause(
       }
     }
   }
+  // @ts-ignore Temporary extension to the moderation system -prf
+  if (cause.type === 'post-hidden') {
+    return {
+      name: 'Post Hidden by You',
+      description: 'You have hidden this post',
+    }
+  }
   return cause.labelDef.strings[context].en
 }