Documentation better release notes

[biosafetylvl5]

• [ ] NO REQUIRED existing tests
• [ ] NO REQUIRED unit tests
• [ ] NO REQUIRED integration tests
• [x] Required documentation added
• [ ] Required release notes added for new/modified functionality
• [ ] NO REQUIRED updates to other repos

Testing Instructions

Build the docs.

Summary

I added top-level summaries to each version number. Eg. version X.0.0 -> X.1000.1 summarized under Version X. See changes for details 🙂

Output: Passes doc8

➜  geoips git:(documentation-better-release-notes) doc8 --max-line-length 120 ./docs/source/releases/index.rst 
Scanning...
Validating...
========
Total files scanned = 1
Total files ignored = 0
Total accumulated errors = 0
Detailed error counts:
    - doc8.checks.CheckCarriageReturn = 0
    - doc8.checks.CheckIndentationNoTab = 0
    - doc8.checks.CheckMaxLineLength = 0
    - doc8.checks.CheckNewlineEndOfFile = 0
    - doc8.checks.CheckTrailingWhitespace = 0
    - doc8.checks.CheckValidity = 0

Relevant XKCD