Add stack provider for Elastic Cloud

go.mod

@@ -10,6 +10,7 @@ require (
 	github.com/boumenot/gocover-cobertura v1.2.0
 	github.com/cespare/xxhash/v2 v2.2.0
 	github.com/dustin/go-humanize v1.0.1
+	github.com/elastic/cloud-sdk-go v1.11.0
 	github.com/elastic/elastic-integration-corpus-generator-tool v0.5.0
 	github.com/elastic/go-elasticsearch/v7 v7.17.7
 	github.com/elastic/go-licenser v0.4.1
@@ -56,6 +57,7 @@ require (
 	github.com/acomagu/bufpipe v1.0.4 // indirect
 	github.com/andybalholm/brotli v1.0.4 // indirect
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d // indirect
+	github.com/blang/semver/v4 v4.0.0 // indirect
 	github.com/chai2010/gettext-go v1.0.2 // indirect
 	github.com/cloudflare/circl v1.3.1 // indirect
 	github.com/creasty/defaults v1.7.0 // indirect
@@ -73,11 +75,16 @@ require (
 	github.com/go-git/gcfg v1.5.0 // indirect
 	github.com/go-logr/logr v1.2.3 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
+	github.com/go-openapi/analysis v0.21.1 // indirect
 	github.com/go-openapi/errors v0.20.3 // indirect
 	github.com/go-openapi/jsonpointer v0.19.6 // indirect
 	github.com/go-openapi/jsonreference v0.20.1 // indirect
+	github.com/go-openapi/loads v0.21.0 // indirect
+	github.com/go-openapi/runtime v0.23.0 // indirect
+	github.com/go-openapi/spec v0.20.4 // indirect
 	github.com/go-openapi/strfmt v0.21.3 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
+	github.com/go-openapi/validate v0.20.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
@@ -120,6 +127,7 @@ require (
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/nwaples/rardecode v1.1.3 // indirect
 	github.com/oklog/ulid v1.3.1 // indirect
+	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pierrec/lz4/v4 v4.1.17 // indirect
 	github.com/pjbgf/sha1cd v0.3.0 // indirect
@@ -172,3 +180,5 @@ require (
 	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
+
+replace github.com/gobuffalo/packr/v2 => github.com/gobuffalo/packr/v2 v2.3.2