Initialize CMS application scaffold

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

internal/domain/models.go

@@ -0,0 +1,22 @@
+package domain
+
+import "time"
+
+type User struct {
+	ID                        uint
+	Email, Name               string
+	Provider, ProviderSubject string
+	CreatedAt                 time.Time
+}
+type Admin struct {
+	ID          uint
+	Email, Name string
+	CreatedAt   time.Time
+}
+type Session struct {
+	ID                   uint
+	Token                string
+	UserID               *uint
+	AdminID              *uint
+	ExpiresAt, CreatedAt time.Time
+}