editorial: wiki archiving

[pkra]

Closes #1882

Copies to-be-removed wiki pages to the main repository.

• [x] [last edit: Apr 1, 2021] 1.2 Non editorial features and other changes => 1.2 archive
• [x] [last edit: Jan 10, 2019] ARIA annotations draft proposal => 1.2 archive
• [ ] [last edit: Feb 26, 2018] CSS AAM Potential Features => maybe for HTML-AAM's renewed effort? maybe archive "unresolved"
• [x] [last edit: May 23, 2019] Generic Role End to End => 1.2 archive
• [x] [last edit: May 21, 2024] Monorepo Project => group process archive
• [ ] [last edit: Jul 29, 2022] Non modal dialog use cases => delete?
• [x] [last edit: Oct 17, 2019] On the ARIA DPUB impasse listing of the options => modules archive
• [x] [last edit: Jan 24, 2022] Plans regarding attribute parity => archive "unresolved"
• [x] [last edit: Apr 1, 2022] Plans regarding role parity => archive for 1.2 or unresolved?
• [ ] [last edit: Oct 18, 2023] Proposal: Interactive Lists => 1.3 archive (too soon?)
• [x] [last edit: Sep 28, 2018] Required Properties with Default Values => 1.2 archive
• [x] [last edit: Jul 20, 2023 / Oct 18, 2019] Resolving ARIA 1.1 Combobox Issues => 1.2 archive
• [x] [last edit: May 3, 2023] Spring 2023 F2F => group process archive
• [ ] [last edit: May 8, 2020] Testing aria hidden => archive "test"?
• [x] [last edit: Dec 5, 2018] Text Separation attribute proposals => archive "unresolved"?
• [x] [last edit: Sep 14, 2023] TPAC 2023 ARIA Meetings => group process archive
• [ ] [active] TPAC 2024 ARIA Meetings => group process archive (after tpac)