Fix content, add command, update readme

content/tips/create-a-using-helper-in-pest.md

@@ -0,0 +1,12 @@
+---
+title: 'Another pest tip: Create a using() helper to get perfect IDE support on $this calls inside your tests'
+tweet_id: '1426219050250772482'
+thread_slug: 'Pest Tips'
+author_username: archtechx
+images:
+    - 'https://pbs.twimg.com/media/E8ryqTuWEAQT-1H.jpg'
+created_at: 2021-08-16T19:07:26+02:00
+slug: create-a-using-helper-in-pest
+---
+
+Out of the box, @pestphp has amazing IDE support for the expect()->toBe() syntax, but sometimes you need to use $this — usually for things like HTTP calls.

content/tips/create-a-using-helper.md

@@ -1,11 +0,0 @@
----
-title: 'Create a using() helper'
-tweet_id: 1426219050250772482
-thread_slug: pest-tips
-author_username: archtechx
-images:
-    - https://pbs.twimg.com/media/E8ryqTuWEAQT-1H.jpg
-created_at: 2021-08-16T19:09:24+02:00
-slug: create-a-using-helper
----
-Create a using() helper to get perfect IDE support on $this calls inside your tests.

content/tips/create-helper-functions-for-creating-models-in-tests-using-factories.md

@@ -5,8 +5,7 @@ thread_slug: pest-tips
 author_username: archtechx
 images:
     - https://pbs.twimg.com/media/E8mO3a5VEAAsjr1.jpg
-
-created_at: 2021-08-16T19:09:22+02:00
+created_at: 2021-08-16T19:07:22+02:00
 slug: create-helper-functions-for-creating-models-in-tests-using-factories
 ---
 For example:

content/tips/disable-livewire-polling-when-an-element-is-hidden.md

@@ -1,12 +0,0 @@
----
-title: 'Disable Livewire polling when an element is hidden'
-tweet_id: '1383079668358725636'
-thread_slug: ''
-author_username: abrardev99
-images:
-    - 'https://i.ibb.co/zZ7rNn8/Livewire-polling.png'
-created_at: 2021-04-16T17:20:27+02:00
-slug: disable-livewire-polling-when-an-element-is-hidden
----
-
-Livewire (v2.4.3) landed a new polling modifier that lets you limit polling when an element is not visible in the current viewport.