THRIFT-2724 - Coding standards template added all over project

Client: All
Patch: Konrad Grochowski

This closes #371
diff --git a/lib/cpp/coding_standards.md b/lib/cpp/coding_standards.md
new file mode 100644
index 0000000..fac5056
--- /dev/null
+++ b/lib/cpp/coding_standards.md
@@ -0,0 +1,4 @@
+Please follow [General Coding Standards](/coding_standards)
+
+ * see .clang-format in root dir for settings of accepted format
+ * clang-format (3.5 or newer) can be used to automaticaly reformat code ('make style' command)