add a template module and boilerplate (#30)

* add a template module and boilerplate

* add CONTRIBUTING.md (#31)

* Update .sample/README.md

Co-authored-by: Ben Potter <me@bpmct.net>

* swap screenshot and code sample

---------

Co-authored-by: Ben Potter <me@bpmct.net>

.sample/run.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+
+echo "Instalalting ${MODULE_NAME}..."
+# Add code here
+# Use varibles from the templatefile function in main.tf
+# e.g. LOG_PATH, PORT, etc.
+
+echo "Installation comlete!"
+
+echo "Starting ${MODULE_NAME}..."
+# Start the app in here
+# 1. Use & to run it in background
+# 2. redirct stdout and stderr to log files
+
+./app >${LOG_PATH} 2>&1 &
+
+echo "Sample app started!"