Add description of upstream repo

2017-07-18 19:59:08 +10:00 · 2017-07-18 19:59:08 +10:00 · 32745ead7e
parent 87dea94e14
commit 32745ead7e
1 changed files with 7 additions and 0 deletions
--- a/externals/json/README.md
+++ b/externals/json/README.md
@ -0,0 +1,7 @@
+JSON for Modern C++
+===================
+
+This is a mirror providing the single required header file.
+
+The original repository can be found at
+ https://github.com/nlohmann/json/commit/21d23982cafe826cae088b2bb37cb40c8e7a81fe