Add an interface for matrix search algorithms (closes #3461) (#3464)

src/main/java/com/thealgorithms/devutils/searches/MatrixSearchAlgorithm.java

@@ -0,0 +1,16 @@
+package com.thealgorithms.devutils.searches;
+
+/**
+ * The common interface of most searching algorithms that search in matrixes.
+ *
+ * @author Aitor Fidalgo (https://github.com/aitorfi)
+ */
+public interface MatrixSearchAlgorithm {
+    /**
+     * @param key is an element which should be found
+     * @param matrix is a matrix where the element should be found
+     * @param <T> Comparable type
+     * @return array containing the first found coordinates of the element
+     */
+    <T extends Comparable<T>> int[] find(T matrix[][], T key);
+}