Add % binding to helix

Author: Strackeror

extensions/helix/package.json

@@ -1582,7 +1582,8 @@ select.buffer:
 
   keys:
     qwerty: |-
-      `%` (kakoune: normal)
+      `%` (core: normal)
+      `%` (helix: select)
 
   doc:
     en: |+

src/api/data/commands.yaml

@@ -13,7 +13,7 @@ declare module "./select";
 /**
  * Select whole buffer.
  *
- * @keys `%` (kakoune: normal)
+ * @keys `%` (core: normal), `%` (helix: select)
  */
 export function buffer(_: Context) {
   Selections.set([Selections.wholeBuffer()]);