Implement kickall command

src/commands/kickall.ts

@@ -0,0 +1,14 @@
+import SRServer from "../server/kcp/SRServer";
+import Logger from "../util/Logger";
+import { Command } from "./Interface";
+const c = new Logger("/kickall", "blue");
+
+export default async function handle(command: Command) {
+    const hard = command.args[0];
+
+    for (const [key, session] of SRServer.getInstance().sessions) {
+        session.kick(!!hard);
+    }
+
+    c.log(`Kicked all players. Hard kick: ${!!hard}`);
+}