PDEP-12: compact-and-reversible-JSON-interface.md (#53714)

* Create 0007-compact-and-reversible-JSON-interface.md

* change PDEP number (7 -> 12)

* Add FAQ to the PDEPS 0012

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* pre-commit codespell

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* delete summary

* delete mermaid flowchart

* with summary, without mermaid flowchart

* rename Annexe -> Appendix

* add tableschema specification

* add orient="table"

* Add Table Schema extension

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

* Update 0012-compact-and-reversible-JSON-interface.md

Author: loco-philippe