changed fragments to .sh extension

fragments/labels/omnidisksweeper.sh

@@ -0,0 +1,7 @@
+omnidisksweeper)
+    name="OmniDiskSweeper"
+    type="dmg"
+    downloadURL=$(curl -fs "https://update.omnigroup.com/appcast/com.omnigroup.OmniDiskSweeper" | xpath '(//rss/channel/item/enclosure/@url)[1]' 2>/dev/null | head -1 | cut -d '"' -f 2)
+    appNewVersion=$( echo "${downloadURL}" | sed -E 's/.*\/[a-zA-Z]*-([0-9.]*)\..*/\1/g' )
+    expectedTeamID="34YW5XSRB7"
+    ;;