Implement account public key endpoint

src/server/activitypub/index.ts

@@ -3,6 +3,7 @@ import * as express from 'express';
 import user from './user';
 import inbox from './inbox';
 import outbox from './outbox';
+import publicKey from './publickey';
 import post from './post';
 
 const app = express();
@@ -11,6 +12,7 @@ app.disable('x-powered-by');
 app.use(user);
 app.use(inbox);
 app.use(outbox);
+app.use(publicKey);
 app.use(post);
 
 export default app;