add logo, improve sample

Author: ymc9

packages/schema/asset/logo-dark.png

@@ -20,7 +20,11 @@
                 "extensions": [
                     ".zmodel"
                 ],
-                "configuration": "./language-configuration.json"
+                "configuration": "./language-configuration.json",
+                "icon": {
+                    "light": "./asset/logo-light.png",
+                    "dark": "./asset/logo-dark.png"
+                }
             }
         ],
         "grammars": [

packages/schema/asset/logo-light.png

@@ -2,7 +2,6 @@
 * A sample model for a collaborative Todo app
 */
 
-// Datasource
 datasource db {
     provider = 'postgresql'
     url = env('DATABASE_URL')
@@ -22,7 +21,8 @@ model Space {
     members SpaceUser[]
 
     // require login
-    @@deny('all', auth() == null)       
+    @@deny('all', auth() == null)
+        
     // everyone can create a space
     @@allow('create', true)