0.5.5

- [X] Backlog
- [X] Update version
- [X] Update main github's readme to static link to the main documentation site.
- [X] Update bindings order to regroup them
- [X] Add bindings for archiving cards `C-c o A`
- [X] Remove old bindings `C-c o C` that synced the card.
- [X] Update bindings `C-c o A` to add comments to the card to `C-c o A`
- [X] Update bindings to show comments as `C-u C-c o A` and remove the old one `C-c o o`
- [X] Check everything is ok from test point of view
- [X] Fix Synchronization problem - #183
- [X] Some refactoring to reduce multiple buffer readings
- [X] Check package installation
- [X] Release notes