Put constant docstrings on docs page

Author: MilesCranmer

docs/make.jl

@@ -41,6 +41,7 @@ makedocs(;
         "Home" => "index.md",
         "Utilities" => "api.md",
         "Units" => "units.md",
+        "Constants" => "constants.md",
         "Types" => "types.md",
     ]
 )

docs/src/constants.md

@@ -0,0 +1,46 @@
+
+# Units
+
+Many common physical constants are available as well:
+
+```@docs
+Constants.c
+Constants.h
+Constants.hbar
+Constants.e
+Constants.k_B
+Constants.N_A
+Constants.eV
+Constants.R
+Constants.F
+Constants.sigma_sb
+Constants.alpha
+Constants.u
+Constants.G
+Constants.mu_0
+Constants.eps_0
+Constants.m_e
+Constants.m_p
+Constants.m_n
+Constants.a_0
+Constants.k_e
+Constants.Ryd
+```
+
+## Astronomical constants
+
+```@docs
+Constants.M_earth
+Constants.M_sun
+Constants.M_jup
+Constants.R_earth
+Constants.R_jup
+Constants.R_sun
+Constants.L_sun
+Constants.L_bol0
+Constants.sigma_T
+Constants.au
+Constants.pc
+Constants.ly
+Constants.atm
+```

docs/src/units.md

@@ -16,14 +16,16 @@ in a namespace with all the units available.
 
 ```@docs
 Units.m
-Units.g
+Units.kg
 Units.s
 Units.A
 Units.K
 Units.cd
 Units.mol
 ```
 
+### Derived units
+
 Several derived SI units are available as well:
 
 ```@docs
@@ -39,4 +41,4 @@ Units.Ω
 Units.T
 Units.L
 Units.bar
-```
+```