Create devcontainer for codespaces + update all dev dependencies (#375)

* Create devcontainer for codespaces

* Use node 16 for devcontainer and CI

* Fix node version incompatibility error

* Remove caching

* Add npm build to check-dist

* Remove new caching

* use npm install

* Test node 14

* Update check dist with node 16

* Use node 18.x for check-dist

* Npm install vs CI

* Update package.json scripts

* test

* Remove caching

* npm run test

* testing

* test

* test

* One more test

* Test

* test

* Update everything

* use vercel

* Test

* Update index.js

* Test

* Remove codeql warnings

* Use NPM CI vs install

* Small tweaks to existing workflows

.eslintrc.json

@@ -4,13 +4,10 @@
     "parserOptions": { "ecmaVersion": 9, "sourceType": "module" },
     "extends": [
       "eslint:recommended",
-      "plugin:@typescript-eslint/eslint-recommended",
-      "plugin:@typescript-eslint/recommended",
       "plugin:import/errors",
       "plugin:import/warnings",
       "plugin:import/typescript",
-      "plugin:prettier/recommended",
-      "prettier/@typescript-eslint"
+      "plugin:prettier/recommended"
     ],
     "rules": {
        "@typescript-eslint/no-empty-function": "off"