Move 'snippet' queries to 'snippets' folders

python/ql/examples/snippets/conditional_expression.ql

@@ -0,0 +1,16 @@
+/**
+ * @name Conditional expressions
+ * @description Finds conditional expressions of the form '... if ... else ...'
+ *              where the classes of the sub-expressions differ
+ * @tags conditional
+ *       expression
+ *       ternary
+ */
+
+import python
+
+from IfExp e, ClassObject cls1, ClassObject cls2
+where 
+    e.getBody().refersTo(_, cls1, _) and e.getOrelse().refersTo(_, cls2, _) and
+    cls1 != cls2
+select e