Open links in secure new tabs (#1451)

* secure links

* another link

Author: tooomm

backend/game.js

@@ -589,7 +589,7 @@ module.exports = class Game extends Room {
       this.players.forEach(player => {
         if (!player.isBot) {
           player.exit();
-          player.err("Whoops! An error occurred while starting the game. Please try again later. If the problem persists, you can open an issue on the Github repository: <a href='https://github.com/dr4fters/dr4ft/issues'>https://github.com/dr4fters/dr4ft/issues</a>");
+          player.err("Whoops! An error occurred while starting the game. Please try again later. If the problem persists, you can open an issue on the Github repository: <a href='https://github.com/dr4fters/dr4ft/issues' target='_blank' rel='noreferrer'>https://github.com/dr4fters/dr4ft/issues</a>");
         }
       });
       Rooms.delete(this.id);

frontend/src/config.js

@@ -14,7 +14,7 @@ export const STRINGS = {
     FOOTER:
       <div style={{ padding: 10 }}>
         Contributions welcome! &nbsp;
-        <a href='https://github.com/dr4fters/dr4ft'>
+        <a href='https://github.com/dr4fters/dr4ft' target='_blank' rel='noreferrer'>
           <img
             src='https://upload.wikimedia.org/wikipedia/commons/9/91/Octicons-mark-github.svg'
             alt='GitHub' title='GitHub Repository' align='top' height='18'