quickstart improvements

Summary of changes

• Improved Markdown formatting
  • (numbers iterate vs 20 step 1's, { still not sure how that happened }
  • shell and text are indented 4 spaces when part of a numbered list, so they align correctly.
• Updated the cli install directions to install newer versions of cli tools + more reliable command syntax
• Moved verification commands to be right after install commands.
• Replaced JeffM's quickstart with developer workflow methodology to help standardize deployment options.

What it looked like before on master Branch

https://repo1.dso.mil/platform-one/big-bang/bigbang/-/blob/20c8031a5ab5d7c93ccf6f877ad353a7b99bab89/docs/guides/deployment_scenarios/quickstart.md

What it looks like now

https://repo1.dso.mil/platform-one/big-bang/bigbang/-/blob/608_quickstart/docs/guides/deployment_scenarios/quickstart.md

Also a small update to the prerequisites table
https://repo1.dso.mil/platform-one/big-bang/bigbang/-/blob/608_quickstart/docs/guides/prerequisites/README.md