add more dependencies

Author: ArnoStrouwen

docs/Project.toml

@@ -12,7 +12,10 @@ DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"
 DiffEqCallbacks = "459566f4-90b8-5000-8ac3-15dfb0a30def"
 DiffEqDocs = "d91efeb5-c178-44a6-a2ee-51685df7c78e"
 DifferentialEquations = "0c46a032-eb83-5123-abaf-570d42b7fbaa"
+Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 Documenter = "e30172f5-a6a5-5a46-863b-614d45cd2de4"
+FiniteDiff = "6a86dc24-6348-571c-b903-95158fe2bd41"
+ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 IncompleteLU = "40713840-3770-5561-ab4c-a76e7d0d7895"
 JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 JumpProblemLibrary = "faf0f6d7-8cee-47cb-b27c-1eb80cef534e"