Added workflow file.

Author: dilawar

.github/main.workflow

@@ -0,0 +1,15 @@
+workflow "build pymoose" {
+  resolves = "build"
+  on = "push"
+}
+
+action "build" {
+  uses = "./"
+  args = "install"
+  env = {
+    CMAKE_GIT_REPO = "https://github.com/dilawar/moose-core",
+    CMAKE_INSTALL_DEPS_SCRIPT = ".travis/travis_prepare_linux.sh",
+    CMAKE_FLAGS = "-DCMAKE_INSTALL_PREFIX:PATH=/tmp/foo",
+    CMAKE_BUILD_THREADS = "4"
+  }
+}