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/troubleshooting/cors-issues.md

@@ -10,9 +10,10 @@ In your `medusa-config.js` , you should ensure that you've configured your CORS
 
 The default configuration uses the following CORS settings:
 
-```jsx title=medusa-config.js
+```js title=medusa-config.js
 // CORS when consuming Medusa from admin
-const ADMIN_CORS = process.env.ADMIN_CORS || "http://localhost:7000,http://localhost:7001"
+const ADMIN_CORS = process.env.ADMIN_CORS || 
+  "http://localhost:7000,http://localhost:7001"
 
 // CORS to avoid issues when consuming Medusa from a client
 const STORE_CORS = process.env.STORE_CORS || "http://localhost:8000"

docs/content/troubleshooting/missing-payment-providers.md

@@ -2,9 +2,9 @@
 
 You add payment providers to your Medusa instance by adding them as plugins in `medusa-config.js`:
 
-```jsx title=medusa-config.js
+```js title=medusa-config.js
 const plugins = [
-  ...
+  // ...
   // You can create a Stripe account via: https://stripe.com
   {
     resolve: `medusa-payment-stripe`,
@@ -13,8 +13,7 @@ const plugins = [
       webhook_secret: STRIPE_WEBHOOK_SECRET,
     },
   },
-  ...
-];
+]
 ```
 
 And installing them with your favourite package manager:

docs/content/troubleshooting/redis-events.md

@@ -11,7 +11,7 @@ After installing it, make sure to configure your Medusa server to use Redis:
 ```jsx title=medusa-config.js
 module.exports = {
   projectConfig: {
-    //...
+    // ...
     redis_url: REDIS_URL,
   },
 }

docs/content/troubleshooting/transaction-error-in-checkout.md

@@ -19,7 +19,7 @@ Then in your `medusa-config.js`, you should change the project configuration to
 ```jsx title=medusa-config.js
 module.exports = {
   projectConfig: {
-    //...
+    // ...
     database_url: DATABASE_URL,
     database_type: "postgres",
   },
@@ -31,6 +31,8 @@ Where `DATABASE_URL` is the connection string to your PostgreSQL database. You c
 
 Make sure to also remove the following lines that are used to configure an SQLite database:
 
+<!-- eslint-skip -->
+
 ```jsx title=medusa-config.js
 database_type: "sqlite",
 database_database: "./medusa-db.sql",