feat: support merge cmd env with image extension (sealerio#2207)

* feat: support merge cmd env with image extension

Signed-off-by: kakzhou719 <[email protected]>

feat: support merge cmd env with image extension

Signed-off-by: kakzhou719 <[email protected]>

feat:support env and appenv instruction

* feat:support env and appenv instruction

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Co-authored-by: kakzhou719 <[email protected]>

Merge pull request #37 from kakaZhou719/add-oss-address-to-release-note

opt: add oss address to release note

fix: The progress bar is complete, but the actual file copy is still …

…being done (sealerio#2157)

Signed-off-by: Lancelot <[email protected]>

Fix: (sealerio#2084)

1. get container runtime should consider ClusterFile;
2. sealer clusterfile configmap name wrong.

Signed-off-by: huaiyou <[email protected]>

modify lvscare name (sealerio#1937)

fix plugin bug (sealerio#1854)

make build linux by default on ubuntu-20.04

THIS IS TEST

THIS IS TEST