chore(docs): cleanup comments

docs/examples/layout/AnimationEdge.vue

@@ -96,6 +96,7 @@ watch(isAnimating, (isAnimating) => {
   const edge = findEdge(props.id)
 
   if (edge) {
+    // we set the `isAnimating` flag, so we can wait until the next node gets executed
     edge.data = {
       ...edge.data,
       isAnimating,
@@ -112,6 +113,7 @@ watch(edgePoint, (point) => {
 
   const nextLength = pathEl.getTotalLength()
 
+  // if length changed, restart animation
   if (currentLength.value !== nextLength) {
     runAnimation()
     return
@@ -135,12 +137,15 @@ async function runAnimation() {
 
   const totalLength = pathEl.getTotalLength()
 
+  // if animation restarted, use last edgePoint value to continue from
   const from = edgePoint.value || 0
 
+  // update initial label position
   labelPosition.value = pathEl.getPointAtLength(from)
 
   isAnimating.value = true
 
+  // update currentLength value, so we can check if the path length changed during animation
   if (currentLength.value !== totalLength) {
     currentLength.value = totalLength
   }