bot: add Agentic conflict generation workflow

docs: clarify repository name for template

chore: remove test artifact

bot: sync autograders from curriculum reference repo

bot: inject Aria logic into the template pr-validation-bot

docs: clarify that this repo serves as a template and provide link back to missions

bot: sync Aria persona logic from curriculum repository into the template

docs: remove redundant challenge documents as they now live in the curriculum repo

Renamed chapter-6-conflict-practice-sample.md to chapter-7-conflict-practice-sample.md to correct (#2315)

Explain who can contribute open source project, highlighting the valuable perspective of AT users (#2300)

Add shortcut to read all with NVDA using laptop keyboard layout (#2298)

Fixed link for the full guide (#1939)

Fix broken link in welcome.md document (#2295)

Add html version of the challenges file.

docs: update chapter cross-references for restructured numbering