Add openfoodfacts by @openfoodfacts (#852) [ci skip]

contents.json

@@ -21099,3 +21099,17 @@
     }
   ]
 }
+{
+      "title": "Open Food Facts",
+      "category-ids": ["health"],
+      "description": "Scan the barcode food products to see if they are good for you and the planet. Add missing products to Open Food Facts, and help expand food transparency worldwide.",
+      "source": "https://github.com/openfoodfacts/openfoodfacts-ios",
+      "itunes": "https://apps.apple.com/fr/app/open-food-facts/id588797948",
+      "screenshots": ["https://camo.githubusercontent.com/c1b65203ca1976fb94a7ea0dd916e544b5a7c5c3/68747470733a2f2f6973332d73736c2e6d7a7374617469632e636f6d2f696d6167652f7468756d622f507572706c653131342f76342f39382f31312f34382f39383131343830612d643261372d303035302d663039342d3766323238303964353332642f70725f736f757263652e706e672f3233307830772e706e67"],
+      "tags": [
+        "swift"
+      ],
+      "date_added": "Jun 2 2020",
+      "suggested_by": "@teolemon",
+      "license": "apache-2.0"
+}