add french plugin language

package.json

@@ -1,6 +1,6 @@
 {
   "name": "homebridge-kobold",
-  "version": "0.8.1",
+  "version": "0.8.2",
   "description": "A Vorwerk Kobold vacuum robot plugin for homebridge.",
   "license": "MIT",
   "keywords": [
@@ -16,6 +16,12 @@
     "name": "Luis R.",
     "url2": "https://github.com/himbeles"
   },
+  "contributors": [
+    {
+      "name": "Alexandre L.",
+      "url": "https://github.com/aluini"
+    }
+  ],
   "repository": {
     "type": "git",
     "url": "git://github.com/himbeles/homebridge-kobold.git"