Merge branch 'pages' into 'master'

Doxygen config update.

See merge request !12

README.md

-EICD - eic data
-===============
+EICd - EIC data model               {#mainpage}
+=====================
 
-TODO: fix docs
 
-https://argonne_mep.gitlab.io/eic/eicd/
+https://eic.phy.anl.gov/eicd
 
 
 ```

docs/Doxyfile

@@ -983,7 +983,7 @@ FILTER_SOURCE_PATTERNS =
 # (index.html). This can be useful if you have a project on for instance GitHub
 # and want to reuse the introduction page also for the doxygen output.
 
-USE_MDFILE_AS_MAINPAGE = 
+USE_MDFILE_AS_MAINPAGE = ../README.md
 
 #---------------------------------------------------------------------------
 # Configuration options related to source browsing