Initial commit.

Signed-off-by: David Celis <me@davidcel.is>
Add Rails::API benchmarks

Signed-off-by: David Celis <me@davidcel.is>
Add ActionController::Metal benchmarks

Signed-off-by: David Celis <me@davidcel.is>
Add Sinatra benchmarks

Signed-off-by: David Celis <me@davidcel.is>
Add Grape benchmarks

Signed-off-by: David Celis <me@davidcel.is>
Add Crepe benchmarks

Signed-off-by: David Celis <me@davidcel.is>
Add Camping benchmarks

Signed-off-by: David Celis <me@davidcel.is>