Enhance CMS Entity and Forms with Type Field

- Added a new Type field to the CMS entity to differentiate between Company and Organization types, improving data categorization.
- Updated the CMSForm to include validation for the Type field, ensuring proper input handling.
- Modified the ToResponse method to include the Type field in the CMSResponse, enhancing the API response structure.
- Adjusted the copyFormToEntity method in the CMS service to handle the new Type field, maintaining data integrity based on the selected type.
- Enhanced Swagger documentation to reflect the changes in the CMS API, providing clear examples for the new Type field.

internal/cms/entity.go

@@ -13,6 +13,7 @@ type CMS struct {
 	Language    string         `bson:"language"`
 	CompanyName string         `bson:"company_name"`
 	Country     string         `bson:"country"`
+	Type        CMSType        `bson:"type"`
 	Hero        heroSection    `bson:"hero"`
 	Chart       chartSection   `bson:"chart"`
 	Features    cardSection    `bson:"features"`
@@ -22,6 +23,13 @@ type CMS struct {
 	Footer      footerSection  `bson:"footer"`
 }
 
+type CMSType string
+
+const (
+	CMSTypeCompany      CMSType = "company"
+	CMSTypeOrganization CMSType = "organization"
+)
+
 // SetID sets the CMS ID (implements IDSetter interface)
 func (c *CMS) SetID(id string) {
 	c.ID, _ = bson.ObjectIDFromHex(id)