fix: backoff option maybe Int or Object

Author: nodkz

src/mutation/jobAdd.ts

@@ -33,7 +33,7 @@ export function createJobAddFC(
           priority: 'Int',
           delay: 'Int',
           attempts: 'Int',
-          backoff: 'Int', // | TODO: BackoffOptions
+          backoff: 'JSON', // | TODO: BackoffOptions
           lifo: 'Boolean',
           timeout: 'Int',
           jobId: 'String',

src/mutation/jobAddBulk.ts

@@ -34,7 +34,7 @@ export function createJobAddBulkFC(
                 priority: 'Int',
                 delay: 'Int',
                 attempts: 'Int',
-                backoff: 'Int', // | TODO: BackoffOptions
+                backoff: 'JSON', // | TODO: BackoffOptions
                 lifo: 'Boolean',
                 timeout: 'Int',
                 jobId: 'String',

src/mutation/jobAddCron.ts

@@ -30,7 +30,7 @@ export function createJobAddCronFC(
           priority: 'Int',
           delay: 'Int',
           attempts: 'Int',
-          backoff: 'Int', // | TODO: BackoffOptions
+          backoff: 'JSON', // | TODO: BackoffOptions
           lifo: 'Boolean',
           timeout: 'Int',
           jobId: 'String',

src/mutation/jobAddEvery.ts

@@ -30,7 +30,7 @@ export function createJobAddEveryFC(
           priority: 'Int',
           delay: 'Int',
           attempts: 'Int',
-          backoff: 'Int', // | TODO: BackoffOptions
+          backoff: 'JSON', // | TODO: BackoffOptions
           lifo: 'Boolean',
           timeout: 'Int',
           jobId: 'String',

src/types/job/Job.ts

@@ -28,7 +28,7 @@ export function getJobTC(sc: SchemaComposer<any>, opts: Options) {
           delay: 'Int',
           attempts: 'Int',
           repeat: createRepeatOptionsTC(sc, opts),
-          backoff: 'Int', // | TODO: BackoffOptions
+          backoff: 'JSON', // | TODO: BackoffOptions
           lifo: 'Boolean',
           timeout: 'Int',
           jobId: 'String',