Use local copy of code mirror when running server in dev mode

bin/server.js

@@ -59,6 +59,7 @@ statics
 if(DEV) {
 	statics.addResources('/', BASEDIR, [
 		'node_modules/requirejs/require.js',
+		'node_modules/codemirror/lib',
 		'scripts',
 		'web/scripts',
 	]);

index.html

@@ -22,11 +22,17 @@
 <link rel="icon" href="web/resources/favicon.png">
 <link rel="apple-touch-icon" href="web/resources/apple-touch-icon.png">
 
+<!-- DEV
+<link rel="stylesheet" href="node_modules/codemirror/lib/codemirror.css">
+/DEV -->
+
+<!-- LIVE -->
 <link rel="stylesheet"
 	href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.37.0/codemirror.min.css"
 	integrity="sha256-I8NyGs4wjbMuBSUE40o55W6k6P7tu/7G28/JGUUYCIs="
 	crossorigin="anonymous"
 >
+<!-- /LIVE -->
 
 <link rel="stylesheet"
 	href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.37.0/addon/hint/show-hint.min.css"
@@ -42,11 +48,20 @@
 	data-integrity="sha256-vBu0/2gpeLlfmY2yFkr8eHTMuYKBw2M+/Id/qZx27F4="
 >
 
+<!-- DEV
+<meta
+	name="cdn-cm/lib/codemirror"
+	content="node_modules/codemirror/lib/codemirror.js"
+>
+/DEV -->
+
+<!-- LIVE -->
 <meta
 	name="cdn-cm/lib/codemirror"
 	content="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.37.0/codemirror.min.js"
 	data-integrity="sha256-U/4XQwZXDFDdAHjIZt1Lm7sFfmMiFDZzFYprq6XJ0gk="
 >
+<!-- /LIVE -->
 
 <meta
 	name="cdn-cm/addon/hint/show-hint"