add some documentation

9 jobs for more_derivatives in 19 minutes and 41 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #1066165
build_docker_from_cache

00:00:17

 
  Test
passed #1066166
test_serial

00:14:10

86.0%
 
  Demo Runs
passed #1066172
run_bernoulli

00:00:37

passed #1066173
run_curve_fitting

00:00:37

passed #1066168
run_getting_started_1

00:00:39

passed #1066169
run_getting_started_2

00:01:02

passed #1066170
run_getting_started_3

00:01:48

passed #1066171
run_getting_started_mf

00:05:13

passed #1066167
run_ipynb

00:01:38