Add firefox bookmark plugin (#338)

Add firefox bookmark plugin

Bump to v0.5.2

Update to v0.5.1

Merge pull request #276 from tinytacoteam/version/v0.5.0

Update to version v0.5.0.

Merge pull request #203 from tinytacoteam/feature/electron-builder

Switch to electron builder.

Merge pull request #212 from tinytacoteam/docs/dark-theme

Fix references to old naming convention. [skip ci]

Create directories before trying to clone to them.

Upgrade to v0.3.2

Update version to v0.3.1.

Update version to v0.3.0.