Update markdown format

fix incorrect empty field

scripts/generate.js

@@ -25,7 +25,7 @@ request.get(url, (error, response, body) => {
       const catalog = $(catalogElement).text();
       $html.find(`#emoji-${catalog.toLowerCase()} li .name`).each((_, emojiElement) => {
         const emoji = $(emojiElement).text();
-        emojis.push(emoji);
+        emojis.push(`:${emoji}:`);
       });
       emojiTable[catalog] = emojis;
     });

scripts/markdown.js

@@ -47,7 +47,7 @@ module.exports = class Markdown {
         rowEmojis.push('');
       table += format(`
 
-      | [top](#table-of-contents) |${rowEmojis.map((emoji) => ` :${emoji}: | \`:${emoji}:\` `).join(' | ')}|
+      | [top](#table-of-contents) |${rowEmojis.map((emoji) => emoji ? ` ${emoji} | \`${emoji}\` ` : ' | ').join(' | ')}|
 
       `) + '\n';
     }