Update metadata.json

Author: RKBoss6

apps/chargeanim/metadata.json

@@ -7,7 +7,7 @@
   "tags": "battery",
   "supports": ["BANGLEJS", "BANGLEJS2"],
   "allow_emulator": true,
-  "screenshots": [{"url":"bangle2-charge-animation-screenshot.png"},{"url":"bangle-charge-animation-screenshot.png"}],
+  "screenshots": [{"url":"Screenshot1"},{"url":"Screenshot2"},{"url":"Screenshot3"}],
   "storage": [
     {"name":"chargeanim.app.js","url":"app.js"},
     {"name":"chargeanim.boot.js","url":"boot.js"},