pwdmg extended

Now the following commands available:

• pwdmg pwd get
• pwdmg pwd save
• pwdmg pwd import -p -f <path_to_file>

What's Changed

• Create go.yml by @swicherwich in #1
• Tests added by @swicherwich in #2
• Commands layout refactored by @swicherwich in #3

New Contributors

• @swicherwich made their first contribution in #1

Full Changelog: v1.0.0...v2.0.0