add doctest, used in a number of projects (#964)

Ninja3047 · web-flow · commit a5e08bf436d6 · 2022-08-29T09:18:20.000-04:00
diff --git a/dependencies.txt b/dependencies.txt
@@ -13,3 +13,4 @@ capnproto
 cpp-httplib
 re2
 zstd
+doctest

-Original file line number
+Diff line change
 cpp-httplib
 re2
 zstd
 +doctest