Fix exported comments enforcer in CI

Add comments where missing and fix incorrect comments

Signed-off-by: Derek McGowan <derek@mcg.dev>

services/introspection/introspection.go

@@ -25,6 +25,7 @@ import (
 	ptypes "github.com/gogo/protobuf/types"
 )
 
+// Service defines the instrospection service interface
 type Service interface {
 	Plugins(context.Context, []string) (*api.PluginsResponse, error)
 	Server(context.Context, *ptypes.Empty) (*api.ServerResponse, error)
@@ -36,6 +37,7 @@ type introspectionRemote struct {
 
 var _ = (Service)(&introspectionRemote{})
 
+// NewIntrospectionServiceFromClient creates a new introspection service from an API client
 func NewIntrospectionServiceFromClient(c api.IntrospectionClient) Service {
 	return &introspectionRemote{client: c}
 }

services/introspection/local.go

@@ -54,6 +54,7 @@ func init() {
 	})
 }
 
+// Local is a local implementation of the introspection service
 type Local struct {
 	mu      sync.Mutex
 	plugins []api.Plugin
@@ -62,6 +63,7 @@ type Local struct {
 
 var _ = (api.IntrospectionClient)(&Local{})
 
+// UpdateLocal updates the local introspection service
 func (l *Local) UpdateLocal(root string, plugins []api.Plugin) {
 	l.mu.Lock()
 	defer l.mu.Unlock()
@@ -69,6 +71,7 @@ func (l *Local) UpdateLocal(root string, plugins []api.Plugin) {
 	l.plugins = plugins
 }
 
+// Plugins returns the locally defined plugins
 func (l *Local) Plugins(ctx context.Context, req *api.PluginsRequest, _ ...grpc.CallOption) (*api.PluginsResponse, error) {
 	filter, err := filters.ParseAll(req.Filters...)
 	if err != nil {
@@ -96,6 +99,7 @@ func (l *Local) getPlugins() []api.Plugin {
 	return l.plugins
 }
 
+// Server returns the local server information
 func (l *Local) Server(ctx context.Context, _ *ptypes.Empty, _ ...grpc.CallOption) (*api.ServerResponse, error) {
 	u, err := l.getUUID()
 	if err != nil {