refactor(bundler): replace nwb with standard, jest, and rollup

.babelrc

@@ -0,0 +1,12 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env",
+      {
+        "targets": {
+          "node": "current"
+        }
+      }
+    ]
+  ]
+}

.github/workflows/main.yml

@@ -0,0 +1,32 @@
+name: Node.js CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [18.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm ci
+    - run: npm run test:coverage
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v2
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        files: ./coverage/lcov.info
+        fail_ci_if_error: true

.nvmrc

@@ -1 +1 @@
-10
+18

README.md

@@ -5,7 +5,7 @@
 > [Full API Documentation →](https://thematthewhudson.com/pxon/)
 
 [![Build Status](https://travis-ci.org/matthewhudson/pxon.svg?branch=master)](https://travis-ci.org/matthewhudson/pxon)
-[![Coverage Status](https://coveralls.io/repos/github/matthewhudson/pxon/badge.svg?branch=master)](https://coveralls.io/github/matthewhudson/pxon?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/matthewhudson/pxon/badge.svg?branch=main)](https://coveralls.io/github/matthewhudson/pxon?branch=main)
 [![NPM version](https://badge.fury.io/js/pxon.svg)](http://badge.fury.io/js/pxon)
 
 ## Installation