Set up video-image-extractor package

The video-image-extractor appliance will take a video stream and split
it into individual pngs.

Issue #64

packages/video-image-extractor/README.md

@@ -0,0 +1,17 @@
+# TV Kitchen Video Image Extractor Appliance
+
+---
+inputTypes: STREAM.CONTAINER
+outputTypes: IMAGE.PNG
+---
+
+The Video Image Extractor appliance is configured to ingest a video stream and convert frames into `IMAGE.PNG` payloads.
+
+## Dependencies
+
+In order to use this appliance, you must have [ffmpeg](https://www.ffmpeg.org/) installed on your system, and the `ffmpeg` command must work.
+
+## About the TV Kitchen
+
+TV Kitchen is a project of [Bad Idea Factory](https://biffud.com).  Learn more at [the TV Kitchen project site](https://tv.kitchen).
+

packages/video-image-extractor/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "@tvkitchen/appliance-video-image-extractor",
+  "description": "Converts a video stream into png images.",
+  "version": "0.1.0",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/tvkitchen/appliances.git",
+    "directory": "packages/video-image-extractor"
+  },
+  "license": "LGPL-3.0",
+  "main": "lib/index.js",
+  "module": "src/index.js",
+  "dependencies": {
+    "@tvkitchen/appliance-core": "0.5.0",
+    "command-exists": "^1.2.9"
+  },
+  "publishConfig": {
+    "access": "public"
+  }
+}