Enhance API documentation and restructure routes for improved clarity

- Updated README.md to include comprehensive Swagger documentation details, highlighting new features and endpoint categories.
- Introduced a new router structure to streamline route registration for admin and public endpoints, enhancing maintainability.
- Updated health check endpoint documentation to reflect comprehensive server status information.
- Enhanced customer and company management routes with improved descriptions and examples in Swagger.
- Refactored customer and user handlers to remove obsolete route registrations, aligning with the new router structure.
- Improved response handling in customer and user services to utilize string IDs consistently.
- Updated validation rules and forms for customer management to support multiple company assignments.
- Enhanced logging practices across services to ensure better traceability and error handling.

internal/company/entity.go

@@ -2,6 +2,8 @@ package company
 
 import (
 	"tm/pkg/mongo"
+
+	"go.mongodb.org/mongo-driver/bson/primitive"
 )
 
 // CompanyStatus represents company account status
@@ -27,7 +29,7 @@ const (
 
 // Company represents a company in the tender management system
 type Company struct {
-	mongo.Model
+	mongo.Model        `bson:",inline"`
 	Name               string        `bson:"name" json:"name"`
 	Type               CompanyType   `bson:"type" json:"type"`
 	Status             CompanyStatus `bson:"status" json:"status"`
@@ -73,12 +75,12 @@ type Company struct {
 
 // SetID sets the company ID (implements IDSetter interface)
 func (c *Company) SetID(id string) {
-	c.ID = id
+	c.ID, _ = primitive.ObjectIDFromHex(id)
 }
 
 // GetID returns the company ID (implements IDGetter interface)
 func (c *Company) GetID() string {
-	return c.ID
+	return c.ID.Hex()
 }
 
 // SetCreatedAt sets the created timestamp (implements Timestampable interface)
@@ -175,7 +177,7 @@ type CompanyResponse struct {
 // ToResponse converts Company to CompanyResponse
 func (c *Company) ToResponse() *CompanyResponse {
 	return &CompanyResponse{
-		ID:                 c.ID,
+		ID:                 c.ID.Hex(),
 		Name:               c.Name,
 		Type:               string(c.Type),
 		Status:             string(c.Status),