Update README

.travis.yml

@@ -0,0 +1,17 @@
+language: go
+
+go:
+  - "1.11.x"
+  - "1.12.x"
+env:
+  global:
+    GO111MODULE=off
+
+before_install:
+  - go get github.com/axw/gocov/gocov
+  - go get github.com/mattn/goveralls
+  - if ! go get code.google.com/p/go.tools/cmd/cover; then go get golang.org/x/tools/cmd/cover; fi
+install:
+  - go get -u -v $(go list -f '{{join .Imports "\n"}}{{"\n"}}{{join .TestImports "\n"}}' ./... | sort | uniq | grep '\.' | grep -v goldmark)
+script:
+  - $HOME/gopath/bin/goveralls -service=travis-ci

README.md

@@ -1,6 +1,9 @@
 goldmark
 ==========================================
 
+![http://godoc.org/github.com/yuin/goldmark](https://godoc.org/github.com/yuin/goldmark?status.svg)
+![https://travis-ci.org/yuin/goldmark](https://travis-ci.org/yuin/goldmark.svg)
+
 > A markdown parser written in Go. Easy to extend, standard compliant, well structured.
 
 goldmark is compliant to CommonMark 0.29.