fix typo in documentation

Author: lovasoa

examples/modeling a many to many relationship with a form/write.sql

@@ -6,6 +6,6 @@ SELECT 'Content' AS name, 'textarea' AS type, 'The content of the post. Write so
 SELECT 'Main Topic' AS name,
     'select' AS type,
     'The main topic of the post. This will be used to display the post in the main page.' AS description,
-    json_group_array(json_object("label", name, "value", id)) AS options
+    json_group_array(json_object('label', name, 'value', id)) AS options
 FROM topic;
 SELECT 'Topics[]' AS name, 'checkbox' AS type, 'Check if this post should also appear in the "' || topic.name || '" category.' AS description, topic.id AS value, topic.name AS label FROM topic;

examples/official-site/sqlpage/migrations/01_documentation.sql

@@ -323,8 +323,8 @@ In SQLite, the query would look like
 SELECT 
     ''select'' as type,
     json_group_array(json_object(
-        "label", name,
-        "value", id
+        ''label'', name,
+        ''value'', id
     )) as options
 FROM fruits
 ```

examples/splitwise/group.sql

@@ -21,7 +21,7 @@ SELECT 'form' as component, 'Add an expense' as title, 'Add' as validate;
 SELECT 'Description' AS name;
 SELECT 'Amount' AS name, 'number' AS type;
 SELECT 'Spent By' AS name, 'select' as type,
-    json_group_array(json_object("label", name, "value", id)) as options
+    json_group_array(json_object('label', name, 'value', id)) as options
 FROM group_member WHERE group_id = $id;
 
 -- Insert the expense posted by the form into the database