Adds boilerplate for upcoming enricher component.

enricher/README.md

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+# Enricher Component
+
+TODO README...

enricher/enricher.js

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+import * as dotenv from 'dotenv';
+import { createClient } from 'redis';
+
+dotenv.config();
+
+const REDIS_URL = process.env.REDIS_URL || 'redis:https://127.0.0.1:6379';
+const FLIGHTAWARE_API_KEY = process.env.FLIGHTAWARE_API_KEY;
+
+const redisClient = createClient({
+  url: REDIS_URL
+});
+
+await redisClient.connect();
+
+// TODO do something!!!!

enricher/env.example

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+# Example env file for enricher.  Copy to .env before using.
+# DO NOT COMMIT THE .env FILE TO SOURCE CONTROL!
+REDIS_URL=redis:https://127.0.0.1:6379/
+FLIGHTAWARE_API_KEY=sssssssh

enricher/package.json

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+{
+  "name": "enricher",
+  "version": "0.0.1",
+  "description": "Data enricher component for the local aircraft tracker Redis project.",
+  "main": "enricher.js",
+  "scripts": {
+    "start": "node enricher.js"
+  },
+  "type": "module",
+  "author": "Simon Prickett",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/simonprickett/local-aircraft-tracker.git"
+  },
+  "bugs": {
+    "url": "https://github.com/simonprickett/local-aircraft-tracker/issues"
+  },
+  "homepage": "https://github.com/simonprickett/local-aircraft-tracker#readme",
+  "engines": {
+    "node": ">= 14.5.0"
+  },
+  "dependencies": {
+    "dotenv": "^16.0.3",
+    "node-fetch": "^3.3.0",
+    "redis": "^4.6.4"
+  }
+}