Add multi platform action source

index.js

@@ -0,0 +1,25 @@
+const core = require('@actions/core');
+const exec = require('@actions/exec');
+const os = require('os');
+
+async function run() {
+  try {
+    core.info(`platform: ${os.platform()}`)
+    core.info(`action directory: ${__dirname}`)
+
+    if (os.platform() == 'linux') {
+      await exec.exec('sudo apt-get install python3-setuptools');
+    }
+    await exec.exec(`pip3 install --requirement ${__dirname}/requirements.txt`);
+    if (os.platform() == 'win32') {
+      await exec.exec(`python ${__dirname}/create-pull-request.py`);
+    } else {
+      await exec.exec(`python3 ${__dirname}/create-pull-request.py`);
+    }
+  } 
+  catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run()