Fixes
[docs] Guides/GitHub CI/CD Integration: open code snippets by default
[docs] Fix russian switch-to-distributed-mode guide: lost switch-from-local command example
[docs] Cli docs regen: added --virtual-merge-* options
[docs] Adding source code from git repositories sidebar: documentation: hide irrelevant documentation
Commit message with "[werf reset]" is no longer supported, but documentation section might be reused in the nearest future
[ci_env] GitHub: fix typo os.Getenv("IMAGES REPO")
[cli] Fix --release and --namespace params: add WERF_RELEASE and WERF_NAMESPACE options