v1.2.0

What's New

• Width‑control overhaul – The doc page now can go to real full‑screen mode and will remember your last width setting
• package.json added – A package definition has been introduced, making it easier to build and ship custom CSS.

What's Changed

• refactor/build pages by @IcyDesert in #380 & #383
• chore: cleanup build_single_course script by @kowyo in #381
• chore: clean up obsolete files and documentation; bump workflow versions; optimize environment variable handling by @kowyo in #384
• chore: use environment variable for openai base url by @kowyo in #387
• fix badge in WRIT0001 by @kowyo in #388
• refactor: width control for document pages by @kowyo in #386
• feat(deps): add package.json and postcss.config.mjs for css setup by @kowyo in #390

Full Changelog: v1.1.0...v1.2.0