feat: add linkedin login

dashboard/src/pages/Environment.tsx

@@ -46,6 +46,8 @@ const Environment = () => {
 		GITHUB_CLIENT_SECRET: '',
 		FACEBOOK_CLIENT_ID: '',
 		FACEBOOK_CLIENT_SECRET: '',
+		LINKEDIN_CLIENT_ID: '',
+		LINKEDIN_CLIENT_SECRET: '',
 		ROLES: [],
 		DEFAULT_ROLES: [],
 		PROTECTED_ROLES: [],
@@ -83,6 +85,7 @@ const Environment = () => {
 		GOOGLE_CLIENT_SECRET: false,
 		GITHUB_CLIENT_SECRET: false,
 		FACEBOOK_CLIENT_SECRET: false,
+		LINKEDIN_CLIENT_SECRET: false,
 		JWT_SECRET: false,
 		SMTP_PASSWORD: false,
 		ADMIN_SECRET: false,