fixed multiple depreciation issues

• fixed several mailer settings which has been depreciated
• fixed include depreciated warnings in main.yml

more user registration and org config

• added more options to manage user registration and default settings for user and organizations
• removed spaces in ini template file to avoid ansible making changes every time to the file
• removed double setting of lfs_jwt_token

Make role working with Gita 1.20.0

• Reorganized some of the config parameters to work with gitea 1.20.0
• removed double entries in config

v0.0.1

removed double set of gitea_lfs_content_path