Update terraform-related documentation #121

Job	Run time
Build kdevops Container (opensuse)	2m 35s
Build kdevops Container (debian)	1m 58s
Build kdevops Container (fedora)	1m 32s
Linux A/B Tests (debian)	1m 3s
Linux A/B Tests (fedora)	1m 15s
Linux A/B Tests (opensuse)	52s
Quick Config Tests (xfs_reflink_4k) on debian	49s
Quick Config Tests (xfs_reflink_4k) on opensuse	56s
Quick Config Tests (linux-ab-testing) on fedora	42s
Quick Config Tests (linux-ab-testing) on debian	58s
Quick Config Tests (lbs-xfs) on opensuse	50s
Quick Config Tests (blktests_nvme) on debian	48s
Quick Config Tests (xfs_reflink_4k) on fedora	47s
Quick Config Tests (lbs-xfs) on debian	51s
Quick Config Tests (blktests_nvme) on opensuse	51s
Quick Config Tests (blktests_nvme) on fedora	45s
Quick Config Tests (lbs-xfs) on fedora	43s
Quick Config Tests (linux-ab-testing) on opensuse	55s
	19m 10s

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