Update docs

docs/make.jl

@@ -10,6 +10,8 @@ const modules = [
        CryoGrid.Physics,
        CryoGrid.Boundaries,
        CryoGrid.HeatConduction,
+       CryoGrid.WaterBalance,
+       CryoGrid.Soils,
        CryoGrid.SEB,
        CryoGrid.Strat,
        CryoGrid.Presets,
@@ -33,6 +35,8 @@ makedocs(modules=modules,
                        "Utilities" => "api/utils.md",
                        "Physics" => [
                             "Heat Conduction" => "api/heat_conduction.md",
+                            "Water Balance" => "api/water_balance.md",
+                            "Soils" => "api/soils.md",
                             "Surface Energy Balance" => "api/seb.md",
                        ],
                        "Stratigraphy" => "api/strat.md",

docs/src/api/soils.md

+# Soils
+
+```@autodocs
+Modules = [Soils]
+Private = false
+Order = [:type, :function, :macro]
+```
\ No newline at end of file

docs/src/api/water_balance.md

+# Water balance
+
+```@autodocs
+Modules = [WaterBalance]
+Private = false
+Order = [:type, :function, :macro]
+```
\ No newline at end of file

src/Physics/Soils/Soils.jl

@@ -7,7 +7,7 @@ import CryoGrid.Physics.HeatConduction: Enthalpy, Temperature, totalwater, liqui
 using CryoGrid.Numerics
 using CryoGrid.Numerics: heaviside
 using CryoGrid.Physics.HeatConduction
-using CryoGrid.Physics.WaterBalance: VanGenuchten
+using CryoGrid.Physics.WaterBalance
 using CryoGrid.Utils
 
 using Base: @propagate_inbounds