* chore: add workflow which checks if SPDX ID exists * chore: add missing SPDX ID in some files * chore: change trigger condition * chore: trigger on push * lint
* perf: omit search for immutable static requests * perf: also applies to /files * fix: exclude /proxy * /files/:key/*を301 redirectに --------- Co-authored-by: tamaina <tamaina@hotmail.co.jp>