feat(Permissions): add new method Permissions#any (#3450)

* Add new method Permissions#any

* Update src/util/BitField.js

This is much better

Co-Authored-By: bdistin <bdistin@gmail.com>

* Remove unreachable code

* Gotta keep the linter happy

* Apply bdistin suggested change to both methods

src/util/BitField.js

@@ -17,6 +17,15 @@ class BitField {
     this.bitfield = this.constructor.resolve(bits);
   }
 
+  /**
+   * Checks whether the bitfield has a bit, or any of multiple bits.
+   * @param {BitFieldResolvable} bit Bit(s) to check for
+   * @returns {boolean}
+   */
+  any(bit) {
+    return (this.bitfield & this.constructor.resolve(bit)) !== 0;
+  }
+
   /**
    * Checks if this bitfield equals another
    * @param {BitFieldResolvable} bit Bit(s) to check for