Add eslint (#364)

* Add initial prettier and eslint configs

* Modify prettierrc

* Run eslint on everything

* Actually remove prettier

* Fix some eslints

* Remove label in gs2

* Update CHANGELOG

* Update eslintrc to specify es2021

lib/Results.js

@@ -1,43 +1,42 @@
-
-export class Player {
-    name = '';
-    raw = {};
-
-    constructor(data) {
-        if (typeof data === 'string') {
-            this.name = data;
-        } else {
-            const {name, ...raw} = data;
-            if (name) this.name = name;
-            if (raw) this.raw = raw;
-        }
-    }
-}
-
-export class Players extends Array {
-    setNum(num) {
-        // If the server specified some ridiculous number of players (billions), we don't want to
-        // run out of ram allocating these objects.
-        num = Math.min(num, 10000);
-
-        while(this.length < num) {
-            this.push({});
-        }
-    }
-
-    push(data) {
-        super.push(new Player(data));
-    }
-}
-
-export class Results {
-    name = '';
-    map = '';
-    password = false;
-
-    raw = {};
-
-    maxplayers = 0;
-    players = new Players();
-    bots = new Players();
-}
+export class Player {
+  name = ''
+  raw = {}
+
+  constructor (data) {
+    if (typeof data === 'string') {
+      this.name = data
+    } else {
+      const { name, ...raw } = data
+      if (name) this.name = name
+      if (raw) this.raw = raw
+    }
+  }
+}
+
+export class Players extends Array {
+  setNum (num) {
+    // If the server specified some ridiculous number of players (billions), we don't want to
+    // run out of ram allocating these objects.
+    num = Math.min(num, 10000)
+
+    while (this.length < num) {
+      this.push({})
+    }
+  }
+
+  push (data) {
+    super.push(new Player(data))
+  }
+}
+
+export class Results {
+  name = ''
+  map = ''
+  password = false
+
+  raw = {}
+
+  maxplayers = 0
+  players = new Players()
+  bots = new Players()
+}