Move 'snippet' queries to 'snippets' folders

cpp/ql/examples/snippets/ternaryconditional.ql

@@ -0,0 +1,14 @@
+/**
+ * @name Conditional expressions
+ * @description Finds conditional expressions of the form `... ? ... : ...`
+ *              where the types of the resulting expressions differ
+ * @tags conditional
+ *       ternary
+ *       type
+ */
+
+import cpp
+
+from ConditionalExpr e
+where e.getThen().getType() != e.getElse().getType()
+select e