better readme

README.md

@@ -1 +1,14 @@
-**Work in progress**
+**Work in progress**
+
+## Installation
+
+We're not on npm yet. In your package.json, include this as
+
+```js
+"ppppp-db": "github:staltz/ppppp-db"
+```
+
+## Usage
+
+It's a secret-stack plugin much like ssb-db2. Other than that, you can also use
+the feed format `const FeedV1 = require('ppppp-db/feed-v1')`.

package.json

@@ -11,6 +11,10 @@
   "engines": {
     "node": ">=16"
   },
+  "exports": {
+    ".": "./index.js",
+    "./feed-v1": "./lib/feed-v1/index.js"
+  },
   "author": "Andre Staltz <contact@staltz.com>",
   "license": "CC0-1.0",
   "homepage": "https://github.com/staltz/ppppp-db",