Merge pull request #36 from tsoding/1

(#1) Add .travis.yml

.travis.yml

@@ -0,0 +1,9 @@
+# https://github.com/nim-lang/Nim/wiki/BuildServices#building-nim-projects-on-travis-ci
+sudo: required
+services:
+  - docker
+before_install:
+  - docker pull nimlang/nim
+script:
+  - docker run nimlang/nim nim --version
+  - docker run -v "$(pwd):/project" -w /project nimlang/nim sh -c "nimble install -dy && nimble build"