Major/move to typescript vuecli

[seriouslag]

This PR is the start of migrating to typescript, exporting type definitions, moving to use vue cli as the bundler for the library, using vue cli as the dev server.

• Migrated all js to typescript
• fixed bugs found when using typescript
• changed package.json main field to commonjs to allow for easier importing for library consumers.
• changed to use new babel.config.js file
• removed need to commit bulma styles, will be installed from package.json for dev work
• Changed default export to a Vue plugin install function
• Named exporting the needed types and component

Note dist files will need to be created by a CI pipeline since I removed them from the repo

[seriouslag]

@AlexMordred would you care to take a look at this PR :)

[Grawl]

@seriouslag in https://github.com/voerro/vue-tagsinput/issues/132#issuecomment-808876122, Alex says:

Unfortunately, I am not familiar with TypeScript as of now

So, I think we must follow some checklist, like so:

• it working without changes after switching to PR branch and installing dependencies
• it have no type errors
• ...and so on

[seriouslag]

@Grawl

Would you care to add more?

Are you experiencing any issues when you pull the branch and install deps?

I am not seeing any issues on my end. I published the changes to a package to use on my project until these get moved.

https://www.npmjs.com/package/@seriouslag/vue-tagsinput

[Grawl]

Just tested it and it works