doc(ford): add authors

Author: Damian Rouson

doc-generator.md

@@ -1,7 +1,6 @@
 project: Directed Acyclic Graph Library
 summary: A Fortran 2018 application programmer interface for representing directed acyclic graphs.
-src_dir: ../src
-src_dir: ../tests
+src_dir: src
 output_dir: doc/html
 preprocess: true
 macro: FORD
@@ -17,7 +16,7 @@ sort: permission-alpha
 extra_mods: iso_fortran_env:https://gcc.gnu.org/onlinedocs/gfortran/ISO_005fFORTRAN_005fENV.html
             iso_c_binding:https://gcc.gnu.org/onlinedocs/gfortran/ISO_005fC_005fBINDING.html#ISO_005fC_005fBINDING
 project_github: https://github.com/sourceryinstitute/dag
-author: Jacob Williams and Damian Rouson
+author: Jacob Williams, Damian Rouson, Robert Singleterry, and Brad Richardson
 print_creation_date: true
 creation_date: %Y-%m-%d %H:%M %z
 project_github: https://github.com/sourceryinstitute/dag