feat: add team_lead role to user management and update related functionalities

src/app/admin/users/page.js

@@ -125,6 +125,8 @@ export default function UserManagementPage() {
 		switch (role) {
 			case "admin":
 				return "red";
+			case "team_lead":
+				return "purple";
 			case "project_manager":
 				return "blue";
 			case "user":
@@ -140,6 +142,8 @@ export default function UserManagementPage() {
 		switch (role) {
 			case "project_manager":
 				return "Project Manager";
+			case "team_lead":
+				return "Team Lead";
 			case "read_only":
 				return "Read Only";
 			default:
@@ -433,6 +437,7 @@ function CreateUserModal({ onClose, onUserCreated }) {
 							<option value="read_only">Read Only</option>
 							<option value="user">User</option>
 							<option value="project_manager">Project Manager</option>
+							<option value="team_lead">Team Lead</option>
 							<option value="admin">Admin</option>
 						</select>
 					</div>