feat: add Renegade X support (#643)

protocols/renegadexmaster.js

@@ -0,0 +1,21 @@
+import renegadex from './renegadex.js'
+
+/**
+ * Implements the protocol for retrieving a master list for Renegade X, an UnrealEngine3 based game
+ */
+export default class renegadexmaster extends renegadex {
+  async run (state) {
+    const servers = await this.getMasterServerList()
+
+    // pass processed servers as raw list
+    state.raw.servers = servers.map((serverInfo) => {
+      // TODO: may use any other deep-copy method like structuredClone() (in Node.js 17+)
+      //       or use a method of Core to retrieve a clean state
+      const serverState = JSON.parse(JSON.stringify(state))
+
+      // set state properties based on received server info
+      this.populateProperties(serverState, serverInfo)
+      return serverState
+    })
+  }
+}