Add toolkit example to container (#1)

* Add toolkit

* Remove entrypoint

* Use a node container

* Debug

* Temporarily remove package-lock.json for local dependencies

* Clean up

* Get logging working

* Use entrypoint

* Debug

* Debug

* Just print repo name

src/main.ts

@@ -0,0 +1,17 @@
+const core = require('@actions/core');
+const github = require('@actions/github');
+
+async function run() {
+  try {
+    const myInput = core.getInput('myInput');
+    core.debug(`Hello ${myInput} from inside a container`);
+
+    // Get github context data
+    const context = github.context;
+    console.log(`We can even get context data, like the repo: ${context.repo.repo}`)
+  } catch (error) {
+    core.setFailed(error.message);
+  }
+}
+
+run();