✨ use bun as package manager and runner for the docke rcontainer, plus some tweak on the github action

packages/demo/package.json

@@ -10,7 +10,6 @@
     "@snk/types": "1.0.0"
   },
   "devDependencies": {
-    "dotenv": "16.4.5",
     "@types/dat.gui": "0.7.13",
     "dat.gui": "0.7.9",
     "html-webpack-plugin": "5.6.0",

packages/demo/webpack.config.ts

@@ -2,13 +2,11 @@ import path from "path";
 import HtmlWebpackPlugin from "html-webpack-plugin";
 import webpack from "webpack";
 import { getGithubUserContribution } from "@snk/github-user-contribution";
-import { config } from "dotenv";
 import type { Configuration as WebpackConfiguration } from "webpack";
 import {
   ExpressRequestHandler,
   type Configuration as WebpackDevServerConfiguration,
 } from "webpack-dev-server";
-config({ path: __dirname + "/../../.env" });
 
 const demos: string[] = require("./demo.json");