chore: add simpleCan example

examples/simpleCan.js

@@ -0,0 +1,42 @@
+
+const canboatjs = require('../index')
+//const canboatjs = require('@canboat/canboatjs')
+const Parser = require('../index').FromPgn
+var parser = new canboatjs.FromPgn()
+
+let messageCb = (data) => {
+  let jsonData = parser.parse(data, (err) => { if ( err ) console.error(err) })
+  if ( jsonData ) {
+    //process
+  }
+}
+
+let simpleCan = new canboatjs.SimpleCan({
+  canDevice: 'can0',
+  preferredAddress: 35,
+  disableDefaultTransmitPGNs: true,
+  transmitPGNs: [],
+  addressClaim: {
+    "Unique Number": 139725,
+    "Manufacturer Code": 'Fusion Electronics',
+    "Device Function": 130,
+    "Device Class": 'Entertainment',
+    "Device Instance Lower": 0,
+    "Device Instance Upper": 0,
+    "System Instance": 0,
+    "Industry Group": 'Marine'
+  },
+  productInfo: {
+    "NMEA 2000 Version": 1300,
+    "Product Code": 667,
+    "Model ID": "MS-UD650",
+    "Software Version Code": "1.0",
+    "Model Version": "1.0",
+    "Model Serial Code": "123456",
+    "Certification Level": 0,
+    "Load Equivalency": 1
+  }
+}, messageCb)
+
+simpleCan.start()
+