feat: Add Factorio support (#527)

* Update eco protocol to include player names and fixed problems when using eco webinterface behind a proxy

* changelog + readability

* Typo

* Typo

* Added Factorio

* wrong comment

* CHANGELOG

protocols/factorio.js

@@ -0,0 +1,25 @@
+import Core from './core.js'
+
+export default class factorio extends Core {
+  async run (state) {
+    if (!this.options.port) this.options.port = 34197
+
+    // Don't use the tcp ping probing
+    this.usedTcp = true
+
+    const request = await this.request({
+        url: `https://multiplayer.factorio.com/get-game-details/${this.options.address}:${this.options.port}`,
+        responseType: 'json'
+      })
+
+    const serverInfo = request
+
+    state.name = serverInfo.name
+    state.password = serverInfo.has_password
+    state.numplayers = serverInfo.players?.length || 0 // players is undefined if there are no players
+    state.maxplayers = serverInfo.max_players
+    state.players = serverInfo.players?.map(player => ({ name: player, raw: {} })) || []
+    
+    state.raw = serverInfo
+  }
+}