Add the "version" and "mobile-install" commands to the User's Guide.
Add the "version" and "mobile-install" commands to the User's Guide.

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MOS_MIGRATED_REVID=101555906

bazelbuild/bazel-website,bazelbuild/bazel-website,davidzchen/bazel-website,bazelbuild/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website,davidzchen/bazel-website