Update install instructions for beta.

Move npm test & lint into prepublishOnly npm hook

README.md

@@ -6,9 +6,12 @@ The library can be used by NodeJS applications, tools, and other automations to
 
 ## Installation
 
+You can install the SDK using Git during the closed beta period:
+
 ```
-npm install @1password/connect
+npm install "git+ssh://[email protected]:1Password/connect-sdk-js.git#semver:~v0.0.1"
 ```
+_`semvar:~v0.0.1` will ensure you install the latest pre-release build_
 
 ## Usage
 
@@ -25,7 +28,7 @@ import {OnePasswordConnect, ItemBuilder} from "@1password/connect"
 // Create new connector with HTTP Pooling
 const op = OnePasswordConnect({
     serverUrl: "http://localhost:8000",
-    token: "my-token" ,
+    token: "my-token",
     keepAlive: true
 });
 ```

package.json

@@ -8,7 +8,8 @@
     "dist/"
   ],
   "scripts": {
-    "prepare": "npm run test && npm run build",
+    "prepublishOnly": "npm run test && npm run lint",
+    "prepare": "npm run build",
     "test": "jest",
     "build": "tsc",
     "lint": "eslint ./src --ext .ts"