chore(doc): adding line for reference

Author: PerfectLaugh

lib/bap_main/bap_main.mli

@@ -44,6 +44,7 @@
 
     [1]:
     http://projects.camlcity.org/projects/dl/findlib-1.5.6/doc/ref-html/lib/Fl_dynload.html
+
     [2]:
     https://jbuilder.readthedocs.io/en/latest/advanced-topics.html#dynamic-loading-of-packages