feat(watch): persist cookies

[Darkness4]

Closes #93.

Associated docker image: ghcr.io/darkness4/fc2-live-dl-go:persist-cookie.

Profiling for 1w.

## Path to import a cookies file. Format is a netscape cookies file.
## If not set, cookies won't be loaded.
cookiesImportFile: ''
## Refresh cookies by trying to re-login to FC2. "Keep me logged in" must be
## enabled and id.fc2.com cookies must be present.
cookiesRefreshDuration: '24h'
## Path to a file to persist the cookies (default: '', doesn't cache)
## Example: ./data/cookies.db
cookiesFile: ''

defaultParams:
  # ...
  ## [DEPRECATED] Please use top-level cookiesImportFile instead. This parameters only works
  ## in defaultParams is not overridable by channelParams.cookiesFile.
  ## For reverse compatibility reasons, this parameter takes precedence.
  ##
  ## Path to a cookies file. Format is a netscape cookies file.
  # cookiesFile: ''
  ## [DEPRECATED] Please use top-level cookiesRefreshDuration instead. This parameters only works
  ## in defaultParams is not overridable by channelParams.cookiesRefreshDuration.
  ## For reverse compatibility reasons, this parameter takes precedence.
  ##
  ## Refresh cookies by trying to re-login to FC2. "Keep me logged in" must be
  ## enabled and id.fc2.com cookies must be present.
  # cookiesRefreshDuration: '24h'