Move some files so that deno task dev works

src/server/index.ts

@@ -5,10 +5,10 @@ Deno.serve((req: Request) => {
 
 	if (pathname.startsWith("/static")) {
 		return serveDir(req, {
-			fsRoot: "src/static",
+			fsRoot: "static",
 			urlRoot: "static",
 		});
 	} else {
-		return serveFile(req, "src/static/index.html");
+		return serveFile(req, "static/index.html");
 	}
 });