Add summarize type mapping document (#467).
Add summarize type mapping document (#467).

ashigeru/asakusafw,cocoatomo/asakusafw,akirakw/asakusafw,akirakw/asakusafw,cocoatomo/asakusafw,asakusafw/asakusafw,asakusafw/asakusafw,ashigeru/asakusafw