fix(AIP-143): align CLDR country/region guidance with CLDR list (aip-…

…dev#1447)

Mark AIP-193 as approved. (aip-dev#1419)

chore(AIP-1): remove TL section, update editors (aip-dev#1418)

fix: Make all client library links absolute

We can't work out how to use relative links correctly, so let's just go with absolute ones.

Add terminology for Declarative clients (aip-dev#1186)

Rename IaC to a clearer term declarative clients, rename all references
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Co-authored-by: Yusuke Tsutsumi <[email protected]>

feat(AIP-203): require field behavior (aip-dev#1100)

To reduce the likelihood of missed field behavior annotations,
require it for all message feilds.

further rationale is explained in the change of AIP-203.

feat(AIP-3) add versioning (aip-dev#1055)

Adding an AIP to introduce versioning,
to help API authors point at older AIP guidance
as it evolves.