doc: documentation updates

pkg/cron_workflow_types.go

@@ -80,6 +80,7 @@ func (cw *CronWorkflow) GetParametersFromWorkflowSpecJson() ([]byte, error) {
 	return parametersJson, nil
 }
 
+// AddToManifestSpec updates the CronWorkflow's manifest by setting the input manifest under the specified key
 func (cw *CronWorkflow) AddToManifestSpec(key, manifest string) error {
 	currentManifestMapping, err := mapping.NewFromYamlString(cw.Manifest)
 	if err != nil {

pkg/database.go

@@ -5,10 +5,12 @@ import (
 	"github.com/jmoiron/sqlx"
 )
 
+// DB represents a database connection. It wraps a sqlx.DB to provide convenience methods.
 type DB struct {
 	sqlx.DB
 }
 
+// NewDB creates a new DB using an existing sqlx.DB connection.
 func NewDB(db *sqlx.DB) *DB {
 	return &DB{
 		*db,