Rename entrypoint to main.ts. Tweak text contrast

res/static/style/layout.css

@@ -500,7 +500,7 @@ input[type="color"]:active {
 /* Selected buttons get the accent colour on a shade of it. The outline shows
    hover and keyboard focus, so it would be confusing to use it for this too */
 .button_highlight {
-	color: var(--accent_color) !important;
+	color: var(--link_color) !important;
 	background: var(--accent_shade) !important;
 }
 

res/template/wrap.html

@@ -36,7 +36,7 @@
 			{{with .Node}}window.initial_node = {{.}};{{end}}
 		</script>
 
-		<script src="/res/svelte/wrap.js" type="module"></script>
+		<script src="/res/svelte/main.js" type="module"></script>
 	</head>
 	<body></body>
 </html>