Configurable size limit to req/res bodies

[IdahoEv]

Configuration options for size limits, preferably with sensible defaults. If the size exceeds the limit, leave the body value out of the appropriate section, but add a metadata stating that the information was emitted. Suggested options:

• Maximum binary request body size
• Maximum binary response body size
• Maximum text/HTML/json request body size
• Maximum text/HTML/json request body size