show appropriate icon next to amount numbers (and some docs)

src/main.ts

@@ -14,6 +14,7 @@ import {
   faArrowLeft,
   faArrowRight,
   faBan,
+  faBitcoinSign,
   faBurst,
   faCalendar,
   faChevronLeft,
@@ -27,6 +28,7 @@ import {
   faCoins,
   faComment,
   faCopy,
+  faDollar,
   faEllipsisVertical,
   faEye,
   faEyeSlash,
@@ -44,6 +46,7 @@ import {
   faPersonCircleCheck,
   faPersonCircleQuestion,
   faPlus,
+  faQuestion,
   faQrcode,
   faRotate,
   faShareNodes,
@@ -61,6 +64,7 @@ library.add(
   faArrowLeft,
   faArrowRight,
   faBan,
+  faBitcoinSign,
   faBurst,
   faCalendar,
   faChevronLeft,
@@ -74,6 +78,7 @@ library.add(
   faCoins,
   faComment,
   faCopy,
+  faDollar,
   faEllipsisVertical,
   faEye,
   faEyeSlash,
@@ -92,6 +97,7 @@ library.add(
   faPersonCircleQuestion,
   faPlus,
   faQrcode,
+  faQuestion,
   faRotate,
   faShareNodes,
   faSpinner,