DESCRIPTION:

Introduction into web infrastructure. Introduction and package managers.

How to use

This package contains "test", "compile", "clean" and "build" scripts in package.json:

1. npm run compile transpiles original source and tests files to ES5, and put compiled
files in build directory;
2. npm run clean removes all files and folders that are created during compiling scripts;
3. npm run test runs transpiled test files;
4. npm run build runs all above scripts.

There are two functions in package: 
    1. `updateString()` function which modify string with big first letter. 
    Example of usage: updateString('string') will return 'String'

    2. `updateArray()` function which modify array and return new reversed array. 
    Example of usage: updateArray([1,2,3]) will return [3,2,1]