Reference section of documentation refactored + random added

docs/reference/random.rst

@@ -0,0 +1,40 @@
+Random
+======
+
+.. doxygenstruct:: units::uniform_int_distribution
+
+.. doxygenstruct:: units::uniform_real_distribution
+
+.. doxygenstruct:: units::binomial_distribution
+
+.. doxygenstruct:: units::negative_binomial_distribution
+
+.. doxygenstruct:: units::geometric_distribution
+
+.. doxygenstruct:: units::poisson_distribution
+
+.. doxygenstruct:: units::exponential_distribution
+
+.. doxygenstruct:: units::gamma_distribution
+
+.. doxygenstruct:: units::weibull_distribution
+
+.. doxygenstruct:: units::extreme_value_distribution
+
+.. doxygenstruct:: units::normal_distribution
+
+.. doxygenstruct:: units::lognormal_distribution
+
+.. doxygenstruct:: units::chi_squared_distribution
+
+.. doxygenstruct:: units::cauchy_distribution
+
+.. doxygenstruct:: units::fisher_f_distribution
+
+.. doxygenstruct:: units::student_t_distribution
+
+.. doxygenstruct:: units::discrete_distribution
+
+.. doxygenstruct:: units::piecewise_constant_distribution
+
+.. doxygenstruct:: units::piecewise_linear_distribution