Added a note about local development to examples that use build extensions

docs/examples/ffmpeg-video-processing.mdx

@@ -4,6 +4,8 @@ sidebarTitle: "FFmpeg video processing"
 description: "These examples show you how to process videos in various ways using FFmpeg with Trigger.dev."
 ---
 
+import LocalDevelopment from "/snippets/local-development-extensions.mdx";
+
 ## Adding the FFmpeg build extension
 
 To use these example tasks, you'll first need to add our FFmpeg extension to your project configuration like this:
@@ -33,7 +35,7 @@ You'll also need to add `@trigger.dev/build` to your `package.json` file under `
 
 This task demonstrates how to use FFmpeg to compress a video, reducing its file size while maintaining reasonable quality, and upload the compressed video to R2 storage.
 
-### Key Features:
+### Key Features
 
 - Fetches a video from a given URL
 - Compresses the video using FFmpeg with various compression settings
@@ -130,7 +132,7 @@ export const ffmpegCompressVideo = task({
 });
 ```
 
-### Testing:
+### Testing
 
 To test this task, use this payload structure:
 
@@ -144,7 +146,7 @@ To test this task, use this payload structure:
 
 This task demonstrates how to use FFmpeg to extract audio from a video, convert it to WAV format, and upload it to R2 storage.
 
-### Key Features:
+### Key Features
 
 - Fetches a video from a given URL
 - Extracts the audio from the video using FFmpeg
@@ -239,7 +241,7 @@ export const ffmpegExtractAudio = task({
 });
 ```
 
-### Testing:
+### Testing
 
 To test this task, use this payload structure:
 
@@ -258,7 +260,7 @@ To test this task, use this payload structure:
 
 This task demonstrates how to use FFmpeg to generate a thumbnail from a video at a specific time and upload the generated thumbnail to R2 storage.
 
-### Key Features:
+### Key Features
 
 - Fetches a video from a given URL
 - Generates a thumbnail from the video at the 5-second mark
@@ -358,3 +360,5 @@ To test this task in the dashboard, you can use the following payload:
   "videoUrl": "<video-url>"
 }
 ```
+
+<LocalDevelopment packages={"ffmpeg"} />

docs/examples/pdf-to-image.mdx

@@ -4,6 +4,8 @@ sidebarTitle: "PDF to image"
 description: "This example will show you how to turn a PDF into an image using MuPDF and Trigger.dev."
 ---
 
+import LocalDevelopment from "/snippets/local-development-extensions.mdx";
+
 ## Overview
 
 This example demonstrates how to use Trigger.dev to turn a PDF into a series of images using MuPDF and upload them to Cloudflare R2.
@@ -96,3 +98,7 @@ To test this task in the dashboard, you can use the following payload:
   "documentId": "unique-document-id"
 }
 ```
+
+<LocalDevelopment packages={"mupdf-tools from MuPDF"} />
+
+

docs/examples/react-pdf.mdx

@@ -10,7 +10,7 @@ This example demonstrates how to use Trigger.dev to generate a PDF using `react-
 
 ## Task code
 
-<Info> This example must be a .tsx file to use React components. </Info>
+<Info> This example must be a .tsx file to use React components.</Info>
 
 ```ts trigger/generateResumePDF.tsx
 import { logger, task } from "@trigger.dev/sdk/v3";

docs/examples/sharp-image-processing.mdx

@@ -4,6 +4,8 @@ sidebarTitle: "Sharp image processing"
 description: "This example demonstrates how to process images using the Sharp library with Trigger.dev."
 ---
 
+import LocalDevelopment from "/snippets/local-development-extensions.mdx";
+
 ## Overview
 
 This task optimizes and watermarks an image using the Sharp library, and then uploads the processed image to R2 storage.
@@ -130,3 +132,5 @@ To test this task in the dashboard, you can use the following payload:
   "watermarkUrl": "<an-image-url.png>" // Replace with a URL to a PNG watermark image
 }
 ```
+
+<LocalDevelopment packages={"the Sharp image processing library"} />

docs/snippets/local-development-extensions.mdx

@@ -0,0 +1,3 @@
+## Local development
+
+To test this example task locally, be sure to install any packages from the build extensions you added to your `trigger.config.ts` file to your local machine. In this case, you need to install {packages}.