[config](blog): pagination-v2(take defaults for lang, tags)

[RalphHightower]

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[RalphHightower]

Run bundle exec jekyll build --trace --incremental --baseurl "/blog"
  bundle exec jekyll build --trace --incremental --baseurl "/blog"
  shell: /usr/bin/bash -e {0}
  env:
    GITHUB_PAGES: true
    JEKYLL_ENV: production
    JEKYLL_GITHUB_TOKEN: 
    LOG_LEVEL: debug
bundler: command not found: jekyll
Install missing gem executables with `bundle install`
Error: Process completed with exit code 127.