[REFACTOR] [Hacker Rank] Interview Preparation Kit: Miscellaneous: Flipping bits. Documentation moved.

Author: Gonzalo Diaz

docs/hackerrank/miscellaneous/flipping-bits.md renamed to docs/hackerrank/interview_preparation_kit/miscellaneous/flipping-bits.md

@@ -1,5 +1,5 @@
 /**
- * @link Problem definition [[docs/hackerrank/miscellaneous/flipping-bits.md]]
+ * @link Problem definition [[docs/hackerrank/interview_preparation_kit/miscellaneous/flipping-bits.md]]
  */
 
 const __BINARY_BASE__ = 2;