diff --git a/.eslintrc.js b/.eslintrc.js
index 27c17f7..3e6aa50 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,3 +1,4 @@
+
 module.exports = {
     "extends": "airbnb-base",
     "rules": {
diff --git a/.gitignore b/.gitignore
index bb5c8c1..0f67d91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
+
 /node_modules
 .idea
\ No newline at end of file
diff --git a/README.md b/README.md
index 52bbe82..92491b3 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+
 # Algorithms/services implemented by Feschenko Natalia
 
 Instalation:
diff --git a/lib/binary-search/binary-search.test.js b/lib/binary-search/binary-search.test.js
index 1bfbfab..ec79872 100644
--- a/lib/binary-search/binary-search.test.js
+++ b/lib/binary-search/binary-search.test.js
@@ -1,3 +1,4 @@
+
     const should = require('should');
     const algo = require('../index.js');
 
diff --git a/lib/binary-search/index.js b/lib/binary-search/index.js
index 406b368..6ea8aff 100644
--- a/lib/binary-search/index.js
+++ b/lib/binary-search/index.js
@@ -1,3 +1,4 @@
+
 module.exports = (sequance, el) => {
   let start = 0;
   let end = sequance.length - 1;
diff --git a/lib/data-structures/queue/index.js b/lib/data-structures/queue/index.js
index 1714e1e..2ceef18 100644
--- a/lib/data-structures/queue/index.js
+++ b/lib/data-structures/queue/index.js
@@ -6,4 +6,6 @@ module.exports = (firstElement, secondElement, findElement) => {
     findElement = queue.shift();
     console.log(findElement);
     return findElement;
-};
\ No newline at end of file
+};
+
+
diff --git a/lib/data-structures/stack/index.js b/lib/data-structures/stack/index.js
index f435174..3693a6a 100644
--- a/lib/data-structures/stack/index.js
+++ b/lib/data-structures/stack/index.js
@@ -1,3 +1,4 @@
+
 module.exports = (firstElement, secondElement, findElement) => {
     const stack = [];
     stack.push(firstElement);
diff --git a/lib/dynamic-connectivity/index.js b/lib/dynamic-connectivity/index.js
index c0fd9cc..0177c19 100644
--- a/lib/dynamic-connectivity/index.js
+++ b/lib/dynamic-connectivity/index.js
@@ -33,3 +33,4 @@ module.exports = class {
         }
     }
 };
+
diff --git a/lib/index.js b/lib/index.js
index ea9836e..dedfb83 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,3 +1,4 @@
+
     const binarySearch = require('./binary-search');
     const stack = require('./data-structures/stack');
     const queue = require('./data-structures/queue');
diff --git a/lib/sorts/binary-heap-sort/binary-heap-sort.test.js b/lib/sorts/binary-heap-sort/binary-heap-sort.test.js
index 5410276..f49e53b 100644
--- a/lib/sorts/binary-heap-sort/binary-heap-sort.test.js
+++ b/lib/sorts/binary-heap-sort/binary-heap-sort.test.js
@@ -1,3 +1,4 @@
+
 const should = require('should');
 const algo = require('../../index.js');
 
diff --git a/lib/sorts/bubble-sort/bubble-sort.test.js b/lib/sorts/bubble-sort/bubble-sort.test.js
index f57afad..bc53944 100644
--- a/lib/sorts/bubble-sort/bubble-sort.test.js
+++ b/lib/sorts/bubble-sort/bubble-sort.test.js
@@ -1,3 +1,4 @@
+
 const should = require('should');
 const algo = require('../../index.js');
 
diff --git a/lib/sorts/insertion-sort/index.js b/lib/sorts/insertion-sort/index.js
index c2679f9..d61c329 100644
--- a/lib/sorts/insertion-sort/index.js
+++ b/lib/sorts/insertion-sort/index.js
@@ -1,3 +1,4 @@
+
 module.exports = function insertionSort(array) {
     let i;
     let temp;
@@ -12,4 +13,6 @@ module.exports = function insertionSort(array) {
         array[j] = temp;
     }
     return array;
+
 };
+
diff --git a/package-lock.json b/package-lock.json
index 889c4cd..ff0af36 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,3 +1,4 @@
+
 {
   "name": "algorithms-feschenko",
   "version": "1.0.0",
diff --git a/package.json b/package.json
index 235060d..514cc59 100644
--- a/package.json
+++ b/package.json
@@ -1,3 +1,4 @@
+
 {
   "name": "algorithms-feschenko",
   "version": "1.0.0",