README.md: Add OSS-Fuzz badge

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com> Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2020-08-12 16:49:42 +02:00 · 2020-08-12 16:49:42 +02:00 · be419dee0d
--- a/README.md
+++ b/README.md
@ -1,4 +1,5 @@
 [![pipeline status](https://gitlab.com/libssh/libssh-mirror/badges/master/pipeline.svg)](https://gitlab.com/libssh/libssh-mirror/commits/master)
+[![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/libssh.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:libssh)

 ```
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