Update CMSForm Country Field Validation

- Modified the validation rule for the Country field in the CMSForm struct to ensure it requires exactly 3 characters, enhancing input validation consistency.
- This change improves the robustness of the form handling by enforcing stricter validation criteria.

internal/cms/form.go

@@ -7,7 +7,7 @@ type CMSForm struct {
 	Key         string             `json:"key" valid:"required,length(2|100)" example:"SW-001"`
 	Language    string             `json:"language" valid:"optional,length(2|100)" example:"en"`
 	CompanyName string             `json:"company_name" valid:"optional,length(2|100)" example:"Opplens"`
-	Country     string             `json:"country" valid:"optional,length(3)" example:"SWE"`
+	Country     string             `json:"country" valid:"optional,length(3|3)" example:"SWE"`
 	Type        CMSType            `json:"type" valid:"optional,in(company|organization)" example:"company"`
 	Hero        heroSectionForm    `json:"hero" valid:"optional"`
 	Chart       chartSectionForm   `json:"chart" valid:"optional"`