Spec 3.1 schema

[p1c2u]

Based on draft

OAI/OpenAPI-Specification#2474

[codecov]

Codecov Report

Merging #111 (ef4cbdd) into master (51b791d) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #111      +/-   ##
==========================================
+ Coverage   98.23%   98.26%   +0.03%     
==========================================
  Files          18       18              
  Lines         510      520      +10     
==========================================
+ Hits          501      511      +10     
  Misses          9        9              

Impacted Files	Coverage Δ
openapi_spec_validator/__main__.py	97.05% <ø> (ø)
openapi_spec_validator/__init__.py	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 51b791d...ef4cbdd. Read the comment docs.

[tomghyselinck]

Does this also apply to the release of OpenAPI spec 3.1.0 https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.1.0.md?

[p1c2u]

Work was done here #143
Hance closing