First development of the deploy action (#6)

Deploy js code to an instance of screeps.
Some debugging tools are implemented.

Reviewed-on: #6
Co-authored-by: Philipp Horstenkamp <philipp@horstenkamp.de>
Co-committed-by: Philipp Horstenkamp <philipp@horstenkamp.de>

node_modules/screeps-api/rollup.config.js

@@ -0,0 +1,32 @@
+import resolve from 'rollup-plugin-node-resolve'
+import builtins from 'rollup-plugin-node-builtins'
+import commonjs from 'rollup-plugin-commonjs'
+import babel from 'rollup-plugin-babel'
+
+export default {
+  entry: 'src/index.js',
+  // external(id){
+  //   return !!require('./package.json').dependencies[id];
+  // },
+  globals: {
+    ws: 'WebSocket',
+    'node-fetch': 'fetch'
+  },
+  external: ['ws', 'fs', 'node-fetch'],
+  moduleName: 'ScreepsAPI',
+  targets: [
+    { dest: 'dist/ScreepsAPI.iife.js', format: 'iife' },
+    { dest: 'dist/ScreepsAPI.umd.js', format: 'umd' },
+    { dest: 'dist/ScreepsAPI.cjs.js', format: 'cjs' },
+    { dest: 'dist/ScreepsAPI.es.js', format: 'es' }
+  ],
+  plugins: [
+    builtins(),
+    commonjs(),
+    resolve({
+      module: true,
+      preferBuiltins: true
+    }),
+    babel()
+  ]
+}