test: add tests for custom watcher

scripts/__tests__/example-catalog/components/footer.astro

@@ -0,0 +1,7 @@
+---
+import config from '@config';
+---
+
+<div class="w-full text-right">
+  <span class="italic text-gray-300">Event-driven architecture documentation: {config.organizationName}</span>
+</div>

scripts/__tests__/example-catalog/pages/index.md

@@ -0,0 +1,28 @@
+---
+id: index
+---
+
+# **EventCatalog**
+
+Welcome to [EventCatalog](https://www.eventcatalog.dev/).
+
+This open-source project is designed to help you and your teams bring discoverability and clarity to your event-driven architectures (EDA).
+
+To get started you can read the following guides:
+
+* [Getting started with EventCatalog](https://eventcatalog.dev/docs/development/getting-started/introduction)  
+* [Creating domains](https://eventcatalog.dev/docs/development/guides/domains/adding-domains)  
+* [Creating services](https://eventcatalog.dev/docs/development/guides/services/adding-services)  
+* [Creating commands](https://eventcatalog.dev/docs/development/guides/messages/commands/introduction)  
+* [Creating events](https://eventcatalog.dev/docs/development/guides/messages/events/introduction)  
+* [Assigning owners to resources](https://eventcatalog.dev/docs/owners)  
+* [Using components in your pages (Schemas, OpenAPI, etc)](https://eventcatalog.dev/docs/development/components/using-components)  
+* [Deploying and hosting your EventCatalog](https://eventcatalog.dev/docs/development/deployment)
+
+### **Join the community**
+
+Got questions about EventCatalog? Feature requests or need support? [Join our community on Discord.](https://discord.gg/3rjaZMmrAm)
+
+### **Enterprise support**
+
+Using EventCatalog and needs enterprise support? Work with us, find out what we offer on our [enterprise page](https://eventcatalog.dev/enterprise).