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>

tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "target": "es2020",
+    "module": "commonjs",
+    "moduleResolution": "node",
+    "declaration": true,
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "allowSyntheticDefaultImports": true,
+    "outDir": "dist"
+  },
+  "include": ["src/**/*.ts", "bin/**/*.ts"],
+  "exclude": ["node_modules", "**/*.test.ts"]
+}