Add more Gatherers to dynamically build the Registry

[0xFelix]

Is this a BUG REPORT or FEATURE REQUEST?:

Uncomment only one, leave it on its own line:

/kind bug
/kind enhancement

What happened:

Almost all releases of supported distributions need to be added manually here:

containerdisks/cmd/medius/common/registry.go

Line 22 in 6687daf

var Registry = []Entry{

What you expected to happen:

It would be nice if the available version were gathered automatically like it is done for Fedora already.

Anything else we need to know?:

Add new Gatherers like it was done for Fedora:

containerdisks/cmd/medius/common/registry.go

Line 93 in 6687daf

for _, gatherer := range []api.ArtifactsGatherer{fedora.NewGatherer()} {

containerdisks/artifacts/fedora/fedora.go

Line 101 in 6687daf

func (f *fedoraGatherer) Gather() ([]api.Artifact, error) {

[kubevirt-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
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/lifecycle stale

[kubevirt-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
Rotten issues close after an additional 30d of inactivity.

If this issue is safe to close now please do so with /close.

/lifecycle rotten

[kubevirt-bot]

Rotten issues close after 30d of inactivity.
Reopen the issue with /reopen.
Mark the issue as fresh with /remove-lifecycle rotten.

/close

[kubevirt-bot]

@kubevirt-bot: Closing this issue.

In response to this:

Rotten issues close after 30d of inactivity.
Reopen the issue with /reopen.
Mark the issue as fresh with /remove-lifecycle rotten.

/close

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