feat: refined UX and docs

[jonrkarr]

Fixed and refined:

• The CLI set configuration method doesn’t validate the configuration correctly
• The CLI set configuration method fails when the configuration isn’t yet set
• Add documentation on how to configure deeporigin-client
  • README
  • User documentation
• Some of the CLI help strings don’t match the function
• Clarify column names in tabular output
• Added make target for linting
• Fixed variable installation when there are no variables
• Fixed handling of setting Boolean values through the CLI

Closes DOS-2735 DOS-2736

[notion-workspace[bot]]

Minor issues with Deep Origin client: 7 issues