Adding incremental README files

[jmprieur]

Purpose

Improving the README.md files for:

• 1-1-MyOrg
• 1-2-AnyOrg
• 1-3-AnyOrgOrPersonal

Adding incremental READMEs for

• 1-2-AnyOrg
• 1-3-AnyOrgOrPersonal

Does this introduce a breaking change?

[ ] Yes
[x ] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]

[jmprieur]

@kalyankrishna1 @negoe @jennyf19
This PR is mostly for your information (so that you know that I've improved the README.md and am building a developer path/journey through the tutorial with incremental README.md)

Proposing to merge the PR as is.
Will address any PR comment later