New RTYPE: DS records now supported! (#753)

Thanks to @haraldkoch for starting this, @McNetic for picking it up.

* Added DS record type

* Added DS for cloudflare provider with tests

* Removed DS validation, fixed parse test

* Added generated files

* Added dnsimple ds record

* Regenerated documentation matrix

* rebased and regenerated

* Updated integration tests

* Rebase and regenerate

* Enable DS record type for provider desec

* Added DS record type

* Added DS for cloudflare provider with tests

* Removed DS validation, fixed parse test

* Added generated files

* Added dnsimple ds record

* Regenerated documentation matrix

* rebased and regenerated

* Updated integration tests

* Rebase and regenerate

* Enable DS record type for provider desec

* Rebase and fixes

Co-authored-by: Robert Koch <robert@kochie.io>
Co-authored-by: Nicolai Ehemann <nicolai.ehemann@enerko-informatik.de>

build/generate/featureMatrix.go

@@ -40,6 +40,7 @@ func generateFeatureMatrix() error {
 			{"TXTMulti", "Provider can manage TXT records with multiple strings"},
 			{"R53_ALIAS", "Provider supports Route 53 limited ALIAS"},
 			{"AZURE_ALIAS", "Provider supports Azure DNS limited ALIAS"},
+			{"DS", "Provider supports adding DS records"},
 
 			{"dual host", "This provider is recommended for use in 'dual hosting' scenarios. Usually this means the provider allows full control over the apex NS records"},
 			{"create-domains", "This means the provider can automatically create domains that do not currently exist on your account. The 'dnscontrol create-domains' command will initialize any missing domains"},
@@ -87,6 +88,7 @@ func generateFeatureMatrix() error {
 		setCap("TLSA", providers.CanUseTLSA)
 		setCap("TXTMulti", providers.CanUseTXTMulti)
 		setCap("get-zones", providers.CanGetZones)
+		setCap("DS", providers.CanUseDS)
 		setDoc("dual host", providers.DocDualHost, false)
 		setDoc("create-domains", providers.DocCreateDomains, true)