improve example plugin

plugins/gancioPluginExample.js

@@ -1,9 +1,62 @@
+const express = require('express')
+const myPluginRouter = express.Router()
+
+// this will answer at http://localhost:13120/api/plugin/Example/test
+myPluginRouter.get('/test', (req, res) => {
+  return res.json('OK!')
+})
 
 const plugin = {
+  routeAPI: myPluginRouter,
+  configuration: {
+    name: 'Example',
+    author: 'lesion',
+    url: 'https://framagit.org/les/gancio',
+    description: 'Example plugin',
+    settings: {
+      my_plugin_string_setting: {
+        type: 'TEXT',
+        description: 'My plugin string setting',
+        required: true,
+        hint: 'My plugin setting support <strong>html too</strong>'
+      },
+      enable_this_feature_in_my_plugin: {
+        type: 'CHECK',
+        description: 'My plugin best feature',
+        required: true,
+        hint: 'This feature is super dupe, enable it!'
+      },
+      min_post: {
+        type: 'NUMBER',
+        description: 'it supports number too'
+      },
+      my_default_language: {
+        description: 'My default language',
+        type: 'LIST',
+        items: ['it', 'en', 'fr']
+      }
+    }    
+  },
   gancio: null,
-  load (gancio) {
+  settings: null,
+  load (gancio, settings) {
     console.error('Plugin GancioPluginExample loaded!')
+    console.error('Your settings are in ', settings)
+    console.error(`For example, you can access to your default language setting by using ${settings.my_default_language}`)
     plugin.gancio = gancio
+    plugin.settings = settings
+
+    // gancio.db.models.event.findAll({ where: })
+    // gancio.db.query('CREATE TABLE IF NOT EXISTS ()... ')
+
+  },
+
+  unload () {
+    console.error('Unload this plugin!')
+  },
+
+  onTest () {
+    console.error('called on "TEST" button pressed in admin interface')
   },
 
   onEventCreate (event) {