Wisney Cardeal

Get merged cells on spreedshet generates separate cells in html

1

When we have a range of merged cells in the worksheet to retrieve the range of these cells and convert to html, html generated table presents separate cells.

#14 Add ESLint Added [ESLint](https://eslint.org/) on this project. Added scripts in package.json i.e. npm run test-lint should run lint tests. [ESLint](https://eslint.org/)

#12 .gitignore is missing. Adding .gitignore