General refactoring

src/get-inputs/get-inputs.ts

@@ -0,0 +1,10 @@
+import * as core from '@actions/core';
+import {getPrNumbers} from './get-pr-numbers';
+
+export const getInputs = () => ({
+  token: core.getInput('repo-token'),
+  configPath: core.getInput('configuration-path', {required: true}),
+  syncLabels: !!core.getInput('sync-labels'),
+  dot: core.getBooleanInput('dot'),
+  prNumbers: getPrNumbers()
+});