Create a Beman library maturity model.

• Create BEMAN_LIBRARY_MATURITY_MODEL.md
  • v1: Create the Beman Library Maturity Model #72
  • v2 - check for missing corner cases or details in doc - as discussed in previous sync, a CHANGELOG file which captures the history of library status values for the current library will solved remaining issues
    • add SVG badges
    • add changelog rules in Beman standard
• Update libraries in org
  - [x] add badges instead logos in each root README
  - [x] add changelog files in repos