added screenshots

apps/cutelauncher/metadata.json

@@ -7,6 +7,11 @@
     "icon": "app.png",
     "type": "launch",
     "tags": "tool,system,launcher",
+    "screenshots": [
+        {
+            "url": "screenshot.png"
+        }
+    ],
     "supports": [
         "BANGLEJS2"
     ],

apps/onewordclock/metadata.json

@@ -5,6 +5,11 @@
   "version": "0.97",
   "description": "A unique clock that displays a single evocative word for each hour of the day",
   "icon": "app.png",
+  "screenshots": [
+    {
+      "url": "screenshot.png"
+    }
+  ],
   "tags": "clock",
   "type": "clock",
   "supports": [

apps/textreader/metadata.json

@@ -6,6 +6,11 @@
     "description": "Read text files from your Bangle.js filesystem",
     "type": "app",
     "tags": "tool,files,reader",
+    "screenshots": [
+        {
+            "url": "screenshot.png"
+        }
+    ],
     "supports": [
         "BANGLEJS2"
     ],

apps/themes/metadata.json

@@ -6,6 +6,11 @@
     "description": "Color palettes at your disposal",
     "type": "app",
     "tags": "tool",
+    "screenshots": [
+        {
+            "url": "screenshot.png"
+        }
+    ],
     "supports": [
         "BANGLEJS2"
     ],