add local fonts for offline/faster loading

package.json

@@ -21,6 +21,8 @@
         "slicer"
     ],
     "dependencies": {
+        "@fortawesome/fontawesome-free": "^5.15.4",
+        "@tweenjs/tween.js": "^16.6.0",
         "base64-js": "^1.5.1",
         "buffer-crc32": "^0.2.13",
         "compression": "^1.7.4",
@@ -32,7 +34,6 @@
         "pixi.js": "^4.8.9",
         "serve-static": "^1.14.1",
         "three": "^0.126.0",
-        "@tweenjs/tween.js": "^16.6.0",
         "uglify-es": "3.3.9",
         "validator": ">=13.7.0",
         "ws": "^7.5.5"

web/kiri/index.css

@@ -7,6 +7,10 @@
     --highlight: rgba(126,153,183,0.4);
     --main-color: rgba(126,153,183,1);
 }
+@font-face {
+    font-family: 'Russo One';
+    src: url('ext/russo-one.ttf');
+}
 a, a:hover, a:visited {
     border: none;
     color: inherit;

web/kiri/index.html

@@ -15,9 +15,8 @@
     <link rel="icon" href="/kiri/favicon.ico">
     <link rel="apple-touch-icon" href="/kiri/favicon-mobile.png">
     <link rel="stylesheet" type="text/css" href="/kiri/index.css?{{version}}">
-    <link href="https://fonts.googleapis.com/css?family=Russo+One&display=swap" rel="stylesheet">
-    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/css/all.min.css" rel="stylesheet">
-    <script src="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/js/all.min.js" crossorigin="anonymous"></script>
+    <link href="fa/css/all.min.css" rel="stylesheet">
+    <script src="fa/js/all.min.js" crossorigin="anonymous"></script>
     <script src="/code/kiri.js?{{version}}"></script>
 </head>
 <body>