Remove generated files from git tracking

- Add api/proto/generated/ to .gitignore (protobuf generated files)
- Add internal/ent/ and ent/ to .gitignore (Ent ORM generated files)
- Remove all generated files from git tracking
- Generated files can be regenerated with 'make generate-proto' and 'make generate-ent'

internal/ent/schema/role.go

@@ -1,39 +0,0 @@
-package schema
-
-import (
-	"time"
-
-	"entgo.io/ent"
-	"entgo.io/ent/schema/edge"
-	"entgo.io/ent/schema/field"
-)
-
-// Role holds the schema definition for the Role entity.
-type Role struct {
-	ent.Schema
-}
-
-// Fields of the Role.
-func (Role) Fields() []ent.Field {
-	return []ent.Field{
-		field.String("id").
-			Unique().
-			Immutable(),
-		field.String("name").
-			Unique().
-			NotEmpty(),
-		field.String("description").
-			Optional(),
-		field.Time("created_at").
-			Default(time.Now).
-			Immutable(),
-	}
-}
-
-// Edges of the Role.
-func (Role) Edges() []ent.Edge {
-	return []ent.Edge{
-		edge.To("role_permissions", RolePermission.Type),
-		edge.To("user_roles", UserRole.Type),
-	}
-}