jsonexample: Update lint rules, rebuild runners (#826)

jsonexample/web/manifest.json

@@ -2,7 +2,7 @@
     "name": "jsonexample",
     "short_name": "jsonexample",
     "start_url": ".",
-    "display": "minimal-ui",
+    "display": "standalone",
     "background_color": "#0175C2",
     "theme_color": "#0175C2",
     "description": "A demonstration of JSON parsing",
@@ -20,4 +20,4 @@
             "type": "image/png"
         }
     ]
-}
+}