doc(printPatternByConsole): add missing documentation

Author: hozlucas28

libs/patterns/methods.h

@@ -14,7 +14,13 @@
  */
 void fillPattern(TPattern* pPattern, char with);
 
-// TODO: Documentation
+/**
+ * @brief Prints the `arr` field of a pattern structure by console.
+ *
+ * @param pPattern A pointer to the pattern structure.
+ *
+ * @warning This function assumes that `pPattern` has been properly initialized.
+ */
 void printPatternByConsole(TPattern* pPattern);
 
 #endif  // PATTERNS_METHODS_H_INCLUDED