chore(docs): added eslint to lint documentation code blocks (#2920)

* docs: added rule for code length

* chore: fixes based on vale errors

* changed to use eslint

* fixes using eslint

* added github action for documentation eslint

* changed allowed max-length

* fixed incorrect heading level

* removed comment

docs/content/advanced/backend/scheduled-jobs/create.md

@@ -38,23 +38,25 @@ To create a scheduled job, add the following code in the file you created, which
 
 ```ts title=src/loaders/publish.ts
 const publishJob = async (container, options) => {
-  const jobSchedulerService = container.resolve("jobSchedulerService");
-  jobSchedulerService.create("publish-products", {}, "0 0 * * *", async () => {
-    //job to execute
-    const productService = container.resolve("productService");
-    const draftProducts = await productService.list({
-      status: 'draft'
-    });
+  const jobSchedulerService = container.resolve("jobSchedulerService")
+  jobSchedulerService.create("publish-products", {}, "0 0 * * *", 
+    async () => {
+      // job to execute
+      const productService = container.resolve("productService")
+      const draftProducts = await productService.list({
+        status: "draft",
+      })
 
-    for (const product of draftProducts) {
-      await productService.update(product.id, {
-        status: 'published'
-      });
+      for (const product of draftProducts) {
+        await productService.update(product.id, {
+          status: "published",
+        })
+      }
     }
-  })
+  )
 }
 
-export default publishJob;
+export default publishJob
 ```
 
 :::info
@@ -87,12 +89,12 @@ For example:
 ```ts
 jobSchedulerService.create("publish-products", {
     data: {
-      productId
-    }
+      productId,
+    },
   }, "0 0 * * *", async (job) => {
-    console.log(job.data); // {productId: 'prod_124...'}
-    //...
-});
+    console.log(job.data) // {productId: 'prod_124...'}
+    // ...
+})
 ```
 
 ---