Jac/image export

[jacalata]

Fix image export
Implement layout and orientation options for pdf export
Fixes #184

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
tabcmd
__main__.py	7	7	7	0%
tabcmd.py	12	12	12	0%
tabcmd/commands
commands.py	10	10	10	0%
constants.py	59	11	11	81%
server.py	126	25	25	80%
tabcmd/commands/auth
session.py	278	41	41	85%
tabcmd/commands/datasources_and_workbooks
datasources_and_workbooks_command.py	95	19	19	80%
delete_command.py	59	16	16	73%
export_command.py	126	27	27	79%
get_url_command.py	152	43	43	72%
publish_command.py	57	16	16	72%
runschedule_command.py	20	7	7	65%
tabcmd/commands/extracts
create_extracts_command.py	39	5	5	87%
decrypt_extracts_command.py	26	2	2	92%
delete_extracts_command.py	36	6	6	83%
encrypt_extracts_command.py	26	2	2	92%
reencrypt_extracts_command.py	26	2	2	92%
refresh_extracts_command.py	67	26	26	61%
tabcmd/commands/group
create_group_command.py	28	5	5	82%
delete_group_command.py	26	2	2	92%
tabcmd/commands/help
help_command.py	47	26	26	45%
tabcmd/commands/project
create_project_command.py	45	9	9	80%
delete_project_command.py	34	4	4	88%
publish_samples_command.py	27	4	4	85%
tabcmd/commands/site
create_site_command.py	35	7	7	80%
delete_site_command.py	24	2	2	92%
edit_site_command.py	37	2	2	95%
list_command.py	33	18	18	45%
list_sites_command.py	29	2	2	93%
tabcmd/commands/user
create_site_users.py	45	5	5	89%
create_users_command.py	51	4	4	92%
delete_site_users_command.py	42	5	5	88%
user_data.py	210	30	30	86%
tabcmd/execution
_version.py	2	2	2	0%
global_options.py	136	23	23	83%
localize.py	67	8	8	88%
logger_config.py	40	6	6	85%
parent_parser.py	46	3	3	93%
tabcmd_controller.py	39	5	5	87%
TOTAL	2369	449	81%