update nodejs handler docs

Author: tjholm

src/pages/reference/nodejs/batch/job-handler.mdx

@@ -10,10 +10,10 @@ import { job, JobContext } from '@nitric/sdk'
 
 const analyse = job('analyse')
 
-analyse.handler({ cpus: 1, memory: 1024, gpus: 0 }, async (ctx: JobContext) => {
+analyse.handler(async (ctx: JobContext) => {
   // Do some work
   return ctx
-})
+}, { cpus: 1, memory: 1024, gpus: 0 })
 ```
 
 ## Defining Batches
@@ -55,7 +55,7 @@ import { job, JobContext } from '@nitric/sdk'
 
 const analyse = job('analyse')
 
-analyse.handler({}, async (ctx: JobContext) => {
+analyse.handler(async (ctx: JobContext) => {
   // Do some work
   return ctx
 })
@@ -68,8 +68,8 @@ import { job, JobContext } from '@nitric/sdk'
 
 const analyse = job('analyse')
 
-analyse.handler({ cpus: 1, memory: 2048, gpus: 0 }, async (ctx: JobContext) => {
+analyse.handler(async (ctx: JobContext) => {
   // Do some work
   return ctx
-})
+}, { cpus: 1, memory: 2048, gpus: 0 })
 ```