Added CRDs for bucket creation flow

Issue: S3C-9222

cosi-examples/bucketclaim.yaml

@@ -0,0 +1,8 @@
+kind: BucketClaim
+apiVersion: objectstorage.k8s.io/v1alpha1
+metadata:
+  name: bucket-claim-1
+spec:
+  bucketClassName: bucket-1-name-prefix
+  protocols:
+  - s3

cosi-examples/bucketclass.yaml

@@ -0,0 +1,9 @@
+kind: BucketClass
+apiVersion: objectstorage.k8s.io/v1alpha1
+metadata:
+  name: bucket-1-name-prefix # name of the bucket
+driverName: cosi.scality.com
+deletionPolicy: Delete
+parameters:
+  COSI_OBJECT_STORAGE_PROVIDER_SECRET_NAME: s3-secret-for-cosi
+  COSI_OBJECT_STORAGE_PROVIDER_SECRET_NAMESPACE: default

cosi-examples/s3-secret-for-cosi.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: s3-secret-for-cosi
+  namespace: default
+type: Opaque
+stringData:
+  COSI_S3_ACCESS_KEY_ID: accessKey1  # Plain text access key
+  COSI_S3_ACCESS_SECRET_KEY: verySecretKey1  # Plain text secret key
+  COSI_S3_ENDPOINT: http://localhost:8000  # Plain text endpoint
+  COSI_S3_REGION: us-west-1  # Plain text region