coverage: allow job to fail

The tests are successful anyway, we don't need to allow failure.

Signed-off-by: Ali Caglayan <alizter@gmail.com>

.github/workflows/workflow.yml

@@ -79,7 +79,6 @@ jobs:
         run: |
           opam exec -- dune build --instrument-with bisect_ppx --force @runtest
           opam exec -- bisect-ppx-report send-to Coveralls
-        continue-on-error: true
         env:
           COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PULL_REQUEST_NUMBER: ${{ github.event.number }}

README.md

@@ -1,7 +1,11 @@
 # Lev - OCaml bindings to libev
 
+[![Coverage Status][coveralls-badge]][coveralls]
+
 [libev]: http://software.schmorp.de/pkg/libev.html
 [libevdoc]: http://pod.tst.eu/http://cvs.schmorp.de/libev/ev.pod
+[coveralls]: https://coveralls.io/github/rgrinberg/lev?branch=master
+[coveralls-badge]: https://coveralls.io/repos/github/rgrinberg/lev/badge.svg?branch=master
 
 ## Abstract