chore: Update readme for charLength (#433)

ayonious · web-flow · commit 9377508f44ce · 2022-08-24T21:43:51.000+02:00
diff --git a/README.md b/README.md
@@ -150,6 +150,10 @@ new Table({
   colorMap: {
     custom_green: '\x1b[32m', // define customized color
   },
+  charLength: {
+    '👋': 2,
+    '😅': 2,
+  }, // custom len of chars in console
 });
 ```
 
