Initial project setup for task-inventory

Node.js + Express 5 backend with flat NDJSON key-value store (borrowed from
electronics-inventory). Sequential integer IDs per namespace. Vanilla JS SPA
with filters for status, priority, and tags.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package.json

@@ -0,0 +1,14 @@
+{
+	"name": "task-inventory",
+	"version": "0.1.0",
+	"type": "module",
+	"engines": {
+		"node": ">=25"
+	},
+	"scripts": {
+		"start": "node server.mjs"
+	},
+	"dependencies": {
+		"express": "^5.2.1"
+	}
+}