allow forcibly creating metadata on buckets (#14820)

introduce x-minio-force-create environment variable
to force create a bucket and its metadata as required,
it is useful in some situations when bucket metadata
needs recovery.

cmd/site-replication.go

@@ -625,6 +625,9 @@ func (c *SiteReplicationSys) MakeBucketHook(ctx context.Context, bucket string,
 	if opts.VersioningEnabled {
 		optsMap["versioningEnabled"] = "true"
 	}
+	if opts.ForceCreate {
+		optsMap["forceCreate"] = "true"
+	}
 
 	// Create bucket and enable versioning on all peers.
 	makeBucketConcErr := c.concDo(