ci: add pre-commit hook and fix linting issues (#545)

* style: deactivate PLC0415 only on part that it's ok

+ re-run pre-commit run --all

* ci: add pre-commit hook

* build: move from yarn to pnpm

* build: move from yarn to pnpm

* build: fix node-version

* ci: install pnpm prior node (?)

* build: update deps and pnpm trying to fix vercel build

* feat: docker www corepack

* style: pre-commit

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Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

server/reflector/storage/__init__.py

@@ -3,6 +3,7 @@ from reflector.settings import settings
 
 
 def get_transcripts_storage() -> Storage:
+    assert settings.TRANSCRIPT_STORAGE_BACKEND
     return Storage.get_instance(
         name=settings.TRANSCRIPT_STORAGE_BACKEND,
         settings_prefix="TRANSCRIPT_STORAGE_",