Add action's base files to work on top

DockerFile

@@ -0,0 +1,3 @@
+FROM alpine:3.10
+COPY entrypoint.sh /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Jorge Alberto Díaz Orozco (Akiel) diazorozcoj@gmail.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,4 @@
+# Rocket.Chat notifications GitHub action
+
+This is my first action so I'll experiment here.
+I'll write nice docs once I have at least a POC.

action.yml

@@ -0,0 +1,9 @@
+# action.yml
+name: 'Rocket.Chat Notification'
+description: 'Send a message to Rocket.Chat'
+outputs:
+  response_code:
+    description: 'The response code for the http call'
+runs:
+  using: 'docker'
+  image: 'Dockerfile'

entrypoint.sh

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+echo "something going on here"