feat: extensions check + resolver

server/modules/extensions/sharp/ext.js

@@ -0,0 +1,19 @@
+const fs = require('fs-extra')
+const os = require('os')
+const path = require('path')
+
+/* global WIKI */
+
+module.exports = {
+  key: 'sharp',
+  title: 'Sharp',
+  description: 'Process and transform images. Required to generate thumbnails of uploaded images and perform transformations.',
+  async isCompatible () {
+    return os.arch() === 'x64'
+  },
+  isInstalled: false,
+  async check () {
+    this.isInstalled = await fs.pathExists(path.join(WIKI.ROOTPATH, 'node_modules/sharp'))
+    return this.isInstalled
+  }
+}