Cardano Updates

* fix date formatting

* ensure consistency of headers and sections across CIPs

* clean up solution-to in header and date

* update template captalisation of motivation and rationale

* adjust motivation and rationale capitalisation

* CIP-0005: Changelog not a major section (moved to Specification)

* demoted "Restrictions" to H3 subsection: may be disruptive to move from Path to Active

* CIP-0035: remove improper H1 title

* remove improper heading Background; absorb content into Motivation

* CIP-0054: demote subsection to H3

* CIP-0057: demote subsection to H3

* CIP-0069: demote subsection to H3

Note canonical term is "Backward compatibility" (no S), although technically both are acceptable: https://en.wikipedia.org/wiki/Backward_compatibility

* CIP-0085: remove trailing white space after major heading

* CIP-0120: demote subsection to H3

* CIP-0135: demoted non-major section to H3 (subsection) and moved to Specification (which it refers to)

* fix author formatting CIP-0015 and license in CIP-0007

* CIP-0167 remove back ticks from title

* CIP-0381 remove leading 0 from CIP header field

* CIP-0089 add missing discussion

* CIP-0089 add missing discussion

* CIP-0163 fix author email

* CIP-0138 remove back ticks from title

* CIP-0152 change line ending

* CIP-0146 change line ending

* CIP-0137 clean up post rebase

* Solution-To -> Solution To

* remove trailing whitespace from headers and fix capatisation of templated sections

* reorder header fields to match template

* add and standardise discussion labels throughout

* correctly link Solution To and Proposed Solutions

* replace extra colons in discussion labels

* format implementors uniformily

* add links for implementors

* ensure authors have an email or website

* ensure correct capatalisation of expected Original PR URI

* fix references to unmerged CIPs and CPSs

* fix further links to unmerged CIPs/CPSs

* CIP-0102 lower  heading level for examples section

* CIP-0165 move Open Questions section

* CIP-0027 match Copywrite section to header License

* CIP-0050 add author X accounts

* CIP-0069 match Copywrite to License

* CIP-0102 modify header level to match template

* CIP-0120 remove trailing whitespace from header

* CIP-0088 fix reference to unmerged CIP

---------

Co-authored-by: Robert Phair <[email protected]>

* refs/remotes/origin/next-2026-05-15:
  leios: add environment and group to metrics