Configure Renovate (#100)

Welcome to [Renovate](https://github.com/renovatebot/renovate)! This is an onboarding PR to help you understand and configure settings before regular Pull Requests begin.

🚦 To activate Renovate, merge this Pull Request. To disable Renovate, simply close this Pull Request unmerged.

Closes #92

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### Detected Package Files

 * `.drone.yml` (droneci)
 * `package.json` (npm)

### What to Expect

With your current configuration, Renovate will create 7 Pull Requests:

<details>
<summary>Update dependency react to v17.0.2</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/react-17.x`
  - Merge into: `main`
  - Upgrade [react](https://github.com/facebook/react) to `17.0.2`

</details>

<details>
<summary>Update dependency react-dom to v17.0.2</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/react-dom-17.x`
  - Merge into: `main`
  - Upgrade [react-dom](https://github.com/facebook/react) to `17.0.2`

</details>

<details>
<summary>Update dependency @&#8203;next/mdx to v11</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/next-mdx-11.x`
  - Merge into: `main`
  - Upgrade [@next/mdx](https://github.com/vercel/next.js) to `^11.0.0`

</details>

<details>
<summary>Update dependency next to v11</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/next-11.x`
  - Merge into: `main`
  - Upgrade [next](https://github.com/vercel/next.js) to `^11.0.0`

</details>

<details>
<summary>Update dependency remark to v13</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/remark-13.x`
  - Merge into: `main`
  - Upgrade [remark](https://github.com/remarkjs/remark) to `^13.0.0`

</details>

<details>
<summary>Update dependency remark-html to v13</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/remark-html-13.x`
  - Merge into: `main`
  - Upgrade [remark-html](https://github.com/remarkjs/remark-html) to `^13.0.0`

</details>

<details>
<summary>Update node Docker tag to v16</summary>

  - Schedule: ["at any time"]
  - Branch name: `renovate/node-16.x`
  - Merge into: `main`
  - Upgrade [node](https://github.com/nodejs/node) to `16`
  - Upgrade [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped) to `^16.0.0`

</details>

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❓ Got questions? Check out Renovate's [Docs](https://docs.renovatebot.com/), particularly the Getting Started section.
If you need any further assistance then you can also [request help here](https://github.com/renovatebot/renovate/discussions).

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Co-authored-by: Renovate Bot <no-reply@csclub.uwaterloo.ca>
Reviewed-on: #100
Reviewed-by: Aditya Thakral <a3thakra@csclub.uwaterloo.ca>
Co-authored-by: Renovate Bot <syscom+renovate@csclub.uwaterloo.ca>
Co-committed-by: Renovate Bot <syscom+renovate@csclub.uwaterloo.ca>

renovate.json

@@ -0,0 +1,3 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+}