docs(readme): add features list and personalization script

Author: Ryan Sonshine

README.md

@@ -4,8 +4,25 @@
 
 Inspired by [node-module-boilerplate](https://github.com/sindresorhus/node-module-boilerplate)
 
+## Features
+
+- [Semantic Release](https://github.com/semantic-release/semantic-release)
+- [Issue Templates](https://github.com/ryansonshine/typescript-npm-package-template/tree/main/.github/ISSUE_TEMPLATE)
+- [GitHub Actions](https://github.com/ryansonshine/typescript-npm-package-template/tree/main/.github/workflows)
+- [Codecov](https://about.codecov.io/)
+- [VSCode Launch Configurations](https://github.com/ryansonshine/typescript-npm-package-template/blob/main/.vscode/launch.json)
+- [TypeScript](https://www.typescriptlang.org/)
+- [Husky](https://github.com/typicode/husky)
+- [Lint Staged](https://github.com/okonet/lint-staged)
+- [Commitizen](https://github.com/search?q=commitizen)
+- [Jest](https://jestjs.io/)
+- [ESLint](https://eslint.org/)
+- [Prettier](https://prettier.io/)
+
 ## Getting started
 
+### Set up your repository
+
 **Click the "Use this template" button.**
 
 Alternatively, create a new directory and then run:
@@ -14,6 +31,23 @@ Alternatively, create a new directory and then run:
 curl -fsSL https://github.com/ryansonshine/typescript-npm-package-template/archive/main.tar.gz | tar -xz --strip-components=1
 ```
 
+Replace `FULL_NAME`, `GITHUB_USER`, and `REPO_NAME` in the script below with your own details to personalize your new package:
+
+```bash
+FULL_NAME="John Smith"
+GITHUB_USER="johnsmith"
+REPO_NAME="my-cool-package"
+sed -i "s/ryansonshine/$GITHUB_USER/g; s/typescript-npm-package-template\|my-package-name/$REPO_NAME/g; s/Ryan Sonshine/$FULL_NAME/g" package.json package-lock.json README.md
+```
+
+### Add NPM Token
+
+Add your npm token to your GitHub repository secrets as `NPM_TOKEN`.
+
+### Add Codecov integration
+
+Enable the Codecov GitHub App [here](https://github.com/apps/codecov).
+
 **Remove everything from here and above**
 
 ---