chore(scenery): advanced active train tooltip information

src/store/tooltipStore.ts

@@ -34,6 +34,7 @@ export const useTooltipStore = defineStore('tooltipStore', {
       this.content = '';
     },
 
+    // Tooltip handler reading attributes of DOM elements
     handle(e: MouseEvent) {
       const targetEl = e
         .composedPath()
@@ -45,6 +46,7 @@ export const useTooltipStore = defineStore('tooltipStore', {
         return;
       }
 
+      // Tooltip content is a string but may be parsed to objects / html in corresponding tooltip type components
       const tooltipType = targetEl.getAttribute('data-tooltip-type');
       const tooltipContent = targetEl.getAttribute('data-tooltip-content');