Closes #120

- redirect /@username/transfers to the wallet equivalent
- redirect /~witnesses to the wallet equivalent
- tweak prettierrc for auto code formatting

.prettierrc

 {
     "tabWidth": 4,
     "singleQuote": true,
-    "trailingComma": "es5"
+    "trailingComma": "es5",
+    "printWidth": 120,
+    "arrowParens": "always",
 }

src/server/redirects.js

+/*global $STM_Config*/
 import koa_router from 'koa-router';
 
 const redirects = [
     // example: [/\/about(\d+)-(.+)/, '/about?$0:$1', 302],
     [/^\/recent\/?$/, '/created'],
     [/^\/pick_account.*/, 'https://signup.hive.io'],
+    [/\/(@[\w.\d-]+)\/transfers/, `${$STM_Config.wallet_url}/$0/transfers`, 301],
+    [/\/~witnesses/, `${$STM_Config.wallet_url}/~witnesses`, 301],
 ];
 
 export default function useRedirects(app) {
@@ -11,16 +14,13 @@ export default function useRedirects(app) {
 
     app.use(router.routes());
 
-    redirects.forEach(r => {
-        router.get(r[0], function*() {
-            const dest = Object.keys(this.params).reduce(
-                (value, key) => value.replace('$' + key, this.params[key]),
-                r[1]
-            );
-            console.log(
-                `server redirect: [${r[0]}] ${this.request.url} -> ${dest}`
-            );
-            this.status = r[2] || 301;
+    redirects.forEach(redirectConfig => {
+        router.get(redirectConfig[0], function*() {
+            const dest = Object.keys(this.params).reduce((value, key) => {
+                return value.replace('$' + key, this.params[key]);
+            }, redirectConfig[1]);
+            console.log(`server redirect: [${redirectConfig[0]}] ${this.request.url} -> ${dest}`);
+            this.status = redirectConfig[2] || 301;
             this.redirect(dest);
         });
     });