v0.7.0 - Breaking

Merge branch 'release/modules'

Merge branch 'release/v0.5.1'

adbcmd extracted, renamed adbi.

Users can now create custom keymaps.

Merge branch 'hotfix/restore-keep-alive-functionality'

Add introduction, future plans to README.

Added keep-alive support to keydroid.

Merge branch 'feature/keep-tv-alive-if-on' into develop

This prevents the screensaver from activating when there's a
significant delay between keypresses.

Closes #2.

Merge branch 'release/v0.1.2'