Add metadata (#6)

* Create action.yml
* Update Dockerfile
Fixes #5

Author: heowc

Dockerfile

@@ -1,6 +1,6 @@
 FROM node:10
 
-LABEL version="1.0.1"
+LABEL version="1.0.2"
 LABEL repository="http://github.com/heowc/action-hexo"
 LABEL homepage="https://heowc.github.io"
 LABEL maintainer="heowc <[email protected]>"
@@ -19,4 +19,4 @@ COPY "entrypoint.sh" "/entrypoint.sh"
 RUN chmod +x /entrypoint.sh
 
 ENTRYPOINT ["/entrypoint.sh"]
-CMD ["help"]
+CMD ["help"]

action.yml

@@ -0,0 +1,12 @@
+name: 'GitHub Action for Hexo'
+description: 'Wraps the hexo CLI to enable common hexo commands.'
+author: 'heowc'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  env:
+    NAME: ''
+    EMAIL: ''
+branding:
+  color: 'red'
+  icon: 'package'