Implementing CTRL + Arrows to move to next/previous word

[eusuntcarol]

This pull request implements the functionality for CTRL + Arrow to move to next/previous word.
Issue: #3

[alexandruradovici]

This needs to be formatted with cargo fmt, you will have to find another way to reduce the number of code lines.

[eusuntcarol]

If I run cargo fmt some brackets will open up resulting a lot of new lines.
I tried to merge some lines using tuples to make more space.

[alexandruradovici]

If I run cargo fmt some brackets will open up resulting a lot of new lines. I tried to merge some lines using tuples to make more space.

It's use is mandatory.

[eusuntcarol]

I found in the closed PR that I could run cargo +nightly fmt.

[alexandruradovici]

Please write a pull request message and send the pull request to upstream. Post a link to it in this PR.

[eusuntcarol]

I synced my branch with master because it was 1 commit behind, hope that is not a problem.
Thank you for help! I opened the pull request to upstream: ilai-deutel#214

[alexandruradovici]

Merged to upstream.

[alexandruradovici]

@Carol-mb Please select a timeslot for the interview https://doodle.com/meeting/participate/id/eZ8gOOEb.