Ansible-deployment

- don't force push encrypted deployment

- add __version__ to python package
- add urls for python package
- change docs structure for gh-pages upload

- generated ssh keys are now ed25519
- `show` sub command now outputs proper json
- add custom shell autocompletion for deployment types
- add `--from-writer` option to delete command
- add `update-known-hosts` command
- add option to override inventory sources during update
- add `fetch-key` command
- fix group_vars not updating when new role defaults were defined
- fix several bugs in deployment push&pull

- inventory writers now support deletion of written data
- fix usage of roles inside of sub directories
- add update command again
- add reset command
- add diff command
- fix host lookup for ssh subcommand if host has host_vars defined

- improve delete workflow
- add shasum verification for encrypted deployment
- support commands on locked deployment
- support storage of encrypted deployment as git object
- add push command
- add pull command
- add edit command
- add commit command
- improve deployment encryption
- fix deprecated usage of collections
- multistage docker build
- add custom ca support for vault plugins
- add template functionality for inventory writers
- add ssh key support for vault plugins
- improve variable merging
- generate ssh key during deployment initialization
- replace '-' with '_' in group names derived from role names
- improve error handling

- improve documentation
- add roles/ directory to deployment repo
- upstream roles repo is now stored in .roles.git inside deployment directory