Add Dependabot #107

There're a few outdated dependencies in this project:

It could be fixed by adding Dependabot to the repository. Few steps are needed:

• Access Dependabot;
• Link your Github account;
• Select this project;
• After linking your account, the app will ask for permissions to create issues, code, and pull-request’s.
• Select the repository in which you want Dependabot to be monitoring for dependency updates.

Then add a dependabot.yml file in the .github folder:

version: 2
updates:
  - package-ecosystem: npm
    directory: "/"
    schedule:
      interval: daily
      time: "09:00"
    open-pull-requests-limit: 10