Update pin feature for chart

src/locales/en.ts

@@ -49,12 +49,15 @@ export const en = {
   refLineIrregularIntake: "Irregular",
   refLineDayX: "D{{x}}",
   refLineRegularPlanShort: "(Reg.)",
-  refLineNoDeviationShort: "(Reg.)",
+  refLineNoDeviationShort: "(Reg.)", // currently the same as above (day# > 1 with curve identical to day1 / regular plan)
   refLineRecoveringShort: "(Rec.)",
   refLineIrregularIntakeShort: "(Ireg.)",
   refLineDayShort: "D{{x}}",
   refLineMin: "Min",
   refLineMax: "Max",
+  pinChart: "Pin chart to top",
+  unpinChart: "Unpin chart",
+  stickyChartTooltip: "Keep chart visible while scrolling through settings for real-time feedback. Default: off.",
 
   // Settings
   diagramSettings: "Diagram Settings",