Rebrand from Casera/MyCrib to honeyDue

Total rebrand across all Go API source files:
- Go module path: casera-api -> honeydue-api
- All imports updated (130+ files)
- Docker: containers, images, networks renamed
- Email templates: support email, noreply, icon URL
- Domains: casera.app/mycrib.treytartt.com -> honeyDue.treytartt.com
- Bundle IDs: com.tt.casera -> com.tt.honeyDue
- IAP product IDs updated
- Landing page, admin panel, config defaults
- Seeds, CI workflows, Makefile, docs
- Database table names preserved (no migration needed)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

internal/task/task.go

@@ -11,7 +11,7 @@
 //
 // Usage:
 //
-//	import "github.com/treytartt/casera-api/internal/task"
+//	import "github.com/treytartt/honeydue-api/internal/task"
 //
 //	// Use predicates for in-memory checks
 //	if task.IsCompleted(myTask) { ... }
@@ -28,10 +28,10 @@ package task
 import (
 	"time"
 
-	"github.com/treytartt/casera-api/internal/models"
-	"github.com/treytartt/casera-api/internal/task/categorization"
-	"github.com/treytartt/casera-api/internal/task/predicates"
-	"github.com/treytartt/casera-api/internal/task/scopes"
+	"github.com/treytartt/honeydue-api/internal/models"
+	"github.com/treytartt/honeydue-api/internal/task/categorization"
+	"github.com/treytartt/honeydue-api/internal/task/predicates"
+	"github.com/treytartt/honeydue-api/internal/task/scopes"
 	"gorm.io/gorm"
 )