Add arrowLeftRight and arrowUpDown figures (#43)

Author: ehmicky

index.d.ts

@@ -31,6 +31,8 @@ declare const figureSet: {
 	readonly arrowDown: string;
 	readonly arrowLeft: string;
 	readonly arrowRight: string;
+	readonly arrowLeftRight: string;
+	readonly arrowUpDown: string;
 	readonly radioOn: string;
 	readonly radioOff: string;
 	readonly checkboxOn: string;

index.js

@@ -36,6 +36,8 @@ const main = {
 	arrowDown: '↓',
 	arrowLeft: '←',
 	arrowRight: '→',
+	arrowLeftRight: '↔',
+	arrowUpDown: '↕',
 	radioOn: '◉',
 	radioOff: '◯',
 	checkboxOn: '☒',
@@ -96,6 +98,8 @@ const fallback = {
 	arrowDown: main.arrowDown,
 	arrowLeft: main.arrowLeft,
 	arrowRight: main.arrowRight,
+	arrowLeftRight: main.arrowLeftRight,
+	arrowUpDown: main.arrowUpDown,
 	radioOn: '(*)',
 	radioOff: '( )',
 	checkboxOn: '[×]',

readme.md

@@ -95,6 +95,8 @@ Symbols to use when running on Windows.
 | arrowDown          |      ↓      |    ↓    |
 | arrowLeft          |      ←      |    ←    |
 | arrowRight         |      →      |    →    |
+| arrowLeftRight     |      ↔      |    ↔    |
+| arrowUpDown        |      ↕      |    ↕    |
 | radioOn            |      ◉      |   (*)   |
 | radioOff           |      ◯      |   ( )   |
 | checkboxOn         |      ☒      |   [×]   |