Update README and add helper script

Author: mjrussell

Diff for: examples/actions/README.md

@@ -4,9 +4,8 @@
 
 ```
 npm install
-make all
+npm run build
+npm start
 ```
 
 This will compile the PureScript source files, bundle them, and use Browserify to combine PureScript and NPM sources into a single bundle.
-
-Then open `html/index.html` in your browser.

Diff for: examples/actions/package.json

@@ -1,6 +1,7 @@
 {
   "scripts": {
-    "start": "parcel html/index.html"
+    "start": "parcel html/index.html --open",
+    "build": "spago build"
   },
   "dependencies": {
     "react": "^17.0.1",

Diff for: examples/async/README.md

@@ -4,9 +4,8 @@
 
 ```
 npm install
-make all
+npm run build
+npm start
 ```
 
 This will compile the PureScript source files, bundle them, and use Browserify to combine PureScript and NPM sources into a single bundle.
-
-Then open `html/index.html` in your browser.

Diff for: examples/async/package.json

@@ -1,6 +1,7 @@
 {
   "scripts": {
-    "start": "parcel html/index.html"
+    "start": "parcel html/index.html --open",
+    "build": "spago build"
   },
   "dependencies": {
     "react": "^17.0.1",

Diff for: examples/component/README.md

@@ -4,9 +4,8 @@
 
 ```
 npm install
-make all
+npm run build
+npm start
 ```
 
 This will compile the PureScript source files, bundle them, and use Browserify to combine PureScript and NPM sources into a single bundle.
-
-Then open `html/index.html` in your browser.

Diff for: examples/component/package.json

@@ -1,6 +1,7 @@
 {
   "scripts": {
-    "start": "parcel html/index.html"
+    "start": "parcel html/index.html --open",
+    "build": "spago build"
   },
   "dependencies": {
     "react": "^17.0.1",

Diff for: examples/controlled-input/README.md

@@ -4,9 +4,8 @@
 
 ```
 npm install
-make all
+npm run build
+npm start
 ```
 
 This will compile the PureScript source files, bundle them, and use Browserify to combine PureScript and NPM sources into a single bundle.
-
-Then open `html/index.html` in your browser.

Diff for: examples/controlled-input/package.json

@@ -1,6 +1,7 @@
 {
   "scripts": {
-    "start": "parcel html/index.html"
+    "start": "parcel html/index.html --open",
+    "build": "spago build"
   },
   "dependencies": {
     "react": "^17.0.1",

Diff for: examples/counter/README.md

@@ -4,9 +4,8 @@
 
 ```
 npm install
-make all
+npm run build
+npm start
 ```
 
 This will compile the PureScript source files, bundle them, and use Browserify to combine PureScript and NPM sources into a single bundle.
-
-Then open `html/index.html` in your browser.

Diff for: examples/counter/package.json

@@ -1,6 +1,7 @@
 {
   "scripts": {
-    "start": "parcel html/index.html"
+    "start": "parcel html/index.html --open",
+    "build": "spago build"
   },
   "dependencies": {
     "react": "^17.0.1",