[Docs] Added a note for our IRC channel to the readme. Added further …

…examples for MySQL.

README.md

@@ -6,7 +6,9 @@ your application. Furthermore it standardizes an application directory structure
 which helps you to manage large code bases.
 
 For more details take a look at [greppy.org](http://greppy.org) or the
-[Greppy API](http://greppy.org/docs).
+[Greppy API](http://greppy.org/docs). If you got any problems, a wish to
+contribute or to discuss new features take a look at our #greppy IRC channel on
+freenode.
 
 ## Features
 

docs/examples/db/02_mysql.md

@@ -13,3 +13,35 @@
         console.log(models);
     });
 
+### Fetch groups of entities in parallel
+
+    greppy.helper.get('db.sql.entities').fetchGroups([
+        {
+            name: "groupName1",
+            criteria: {
+                where: {deleted_at: null}
+            },
+            models: [
+                models.Product,
+                models.Portal
+            ]
+        }
+    ], function(err, groups) {
+
+        console.log(groups);
+    });
+
+### Fetch all entities in parallel
+
+    greppy.db.get('mysql.mdc').getORM(function(orm, models) {
+
+        greppy.helper.get('db.sql.entities').fetchAll([
+            models.Product,
+            models.Portal,
+            models.Operator
+        ], function(err, entities) {
+
+            console.log(entities);
+        });
+    });
+