Comment more packages to pass go lint

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

remotes/docker/schema1/converter.go

@@ -47,6 +47,7 @@ type Converter struct {
 	layerBlobs map[digest.Digest]ocispec.Descriptor
 }
 
+// NewConverter returns a new converter
 func NewConverter(contentStore content.Store, fetcher remotes.Fetcher) *Converter {
 	return &Converter{
 		contentStore: contentStore,
@@ -56,6 +57,7 @@ func NewConverter(contentStore content.Store, fetcher remotes.Fetcher) *Converte
 	}
 }
 
+// Handle fetching descriptors for a docker media type
 func (c *Converter) Handle(ctx context.Context, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {
 	switch desc.MediaType {
 	case images.MediaTypeDockerSchema1Manifest:
@@ -101,6 +103,7 @@ func (c *Converter) Handle(ctx context.Context, desc ocispec.Descriptor) ([]ocis
 	}
 }
 
+// Convert a docker manifest to an OCI descriptor
 func (c *Converter) Convert(ctx context.Context) (ocispec.Descriptor, error) {
 	history, diffIDs, err := c.schema1ManifestHistory()
 	if err != nil {

remotes/docker/status.go

@@ -8,6 +8,7 @@ import (
 	"github.com/pkg/errors"
 )
 
+// Status of a content operation
 type Status struct {
 	content.Status
 
@@ -15,6 +16,7 @@ type Status struct {
 	UploadUUID string
 }
 
+// StatusTracker to track status of operations
 type StatusTracker interface {
 	GetStatus(string) (Status, error)
 	SetStatus(string, Status)
@@ -25,6 +27,7 @@ type memoryStatusTracker struct {
 	m        sync.Mutex
 }
 
+// NewInMemoryTracker returns a StatusTracker that tracks content status in-memory
 func NewInMemoryTracker() StatusTracker {
 	return &memoryStatusTracker{
 		statuses: map[string]Status{},