[resultdb] Add create-root-luci-secret.sh
[resultdb] Add create-root-luci-secret.sh

It creates a "root-luci-secret" k8s secret.

R=9f116ddb1b24f6fc1916a676eb17161b6c07dfc1@chromium.org

Change-Id: If4242bcc56bc5a1ec17c3235bd2505f2a5092aec
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/1893646
Commit-Queue: Vadim Shtayura <9f116ddb1b24f6fc1916a676eb17161b6c07dfc1@chromium.org>
Reviewed-by: Vadim Shtayura <9f116ddb1b24f6fc1916a676eb17161b6c07dfc1@chromium.org>
Auto-Submit: Nodir Turakulov <ef4933a197ef7b4b3f55f1bec4942aead3637a2a@chromium.org>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go