docs: update the whole repository

* fix some bugs
* delete duplicate files
* format code

Searches/SearchAlgorithm.java

@@ -1,18 +1,16 @@
 package Searches;
 
 /**
- *  The common interface of most searching algorithms
+ * The common interface of most searching algorithms
  *
  * @author Podshivalov Nikita (https://github.com/nikitap492)
- *
  **/
 public interface SearchAlgorithm {
 
     /**
-     *
-     * @param key is an element which should be found
+     * @param key   is an element which should be found
      * @param array is an array where the element should be found
-     * @param <T> Comparable type
+     * @param <T>   Comparable type
      * @return first found index of the element
      */
     <T extends Comparable<T>> int find(T array[], T key);