refactor: convert project to typescript (#47)

* refactor: convert project to typescript

* fix: image as last argument of docker run

* ci: remove example as the build can act as example

* fix: set tokenEnv to RENOVATE_TOKEN

* fix: add trailing single quite to Docker --env arguments

* fix: mount volume with config file to Docker container

* chore: remove Prettier trailingComma on all

This puts it back at the default, which is es5 style.

* fix: correct package main to dist/indes.js

* fix: use @actions/exec to execute docker child process

* fix: use async/await for exec

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

* fix: use async/await in the runner

Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

src/input.ts

@@ -0,0 +1,20 @@
+import * as core from '@actions/core';
+
+class Input {
+  readonly configurationFile = core.getInput('configurationFile', {
+    required: true,
+  });
+  readonly token = core.getInput('token', { required: true });
+
+  constructor() {
+    this.validate();
+  }
+
+  validate(): void {
+    if (this.token === '') {
+      throw new Error('input.token MUST NOT be empty');
+    }
+  }
+}
+
+export default Input;