[dash] show in dock, add js docset

Dash.dashsync/Preferences.plist

@@ -139,6 +139,8 @@
 	<dict>
 		<key>keywords</key>
 		<dict>
+			<key>~/Library/Application Support/Dash/DocSets/JavaScript/JavaScript.docset</key>
+			<string>js:</string>
 			<key>~/Library/Application Support/Dash/DocSets/NodeJS/NodeJS.docset</key>
 			<string>nodejs:</string>
 			<key>~/Library/Application Support/Dash/Ruby DocSets/rake/rake.docset</key>
@@ -273,7 +275,7 @@
 	<key>shouldSyncView</key>
 	<true/>
 	<key>showInDock</key>
-	<false/>
+	<true/>
 	<key>versionedDHCheatRepo</key>
 	<dict>
 		<key>installed</key>