docs: warn about possible lost of customization

meleu

2022-04-04 3583265f80afa081bf7a1fe996a9b3fe3c4e32e0

 assets/js/graph.js

@@ -185,7 +185,7 @@
  const labels = graphNode.append("text")
    .attr("dx", 12)
    .attr("dy", ".35em")
    .text((d) => content[decodeURI(d.id).replace(/\s+/g, '-')]?.title || d.id.replace("-", " "))
    .text((d) => content[d.id]?.title || d.id.replace("-", " "))
    .style("opacity", 0)
    .style("pointer-events", "none")
    .call(drag(simulation));