feat: update api urls.

api/lib/apis.dart

@@ -16,9 +16,9 @@ class Apis {
 class AuthApis {
   static final String path = '/auth';
 
-  String get loginOrSignup => [path, 'login_or_signup'].joinPath();
+  String get loginOrSignup => [path, 'login-or-signup'].joinPath();
 
-  String confirmSignup({required StringParam accessKey}) => [path, 'confirm_sign_up', accessKey].joinPath();
+  String confirmSignup({required StringParam accessKey}) => [path, 'confirm-sign-up', accessKey].joinPath();
 
   String get status => [path, 'status'].joinPath();
 }
@@ -34,7 +34,7 @@ class SchemeApis {
 
   String get upload => [path, 'upload'].joinPath();
 
-  String markAsShared({required StringParam schemeId}) => [path, 'mark_as_shared', schemeId].joinPath();
+  String markAsShared({required StringParam schemeId}) => [path, 'mark-as-shared', schemeId].joinPath();
 
   String user({required StringParam type}) => [path, 'user', type].joinPath();