Add Munzee oauth support (close #14)

www/js/settings.js

@@ -11,10 +11,19 @@ var settings = [
         title: "Use alternate map",
         text: "Replace the 3D map with a lightweight power-saving 2D version.",
         icon: "game-icon game-icon-treasure-map",
-        color: "green",
+        color: "yellow",
         type: "toggle",
         restart: true
     },
+    {
+        setting: "munzee",
+        title: "Link Munzee account",
+        text: "Scan Munzee codes from inside TerranQuest.",
+        icon: "fas fa-qrcode",
+        color: "green",
+        onclick: "openBrowser('" + SETTINGS["munzee_url"] + "?username=" + localStorage.getItem("username") + "&password=" + localStorage.getItem("password") + "')",
+        type: "link"
+    },
     {
         setting: "opensource",
         title: "Credits",

www/settings.template.js

@@ -14,6 +14,8 @@ var SETTINGS = {
     map_style_json: "https://maps.netsyms.net/styles/terranquest-3d/style.json",
     map_pbf_url: "https://maps.netsyms.net/data/v3/{z}/{x}/{y}.pbf",
     stripe_pubkey: "",
+    munzee_url: "",
+    munzee_clientkey: "",
     teams: {
         1: {id: 1, name: "Water", icon: "fas fa-tint", color: "blue", textcolor: "black", hue: 230},
         2: {id: 2, name: "Fire", icon: "fas fa-fire", color: "red", textcolor: "black", hue: 0},