feat: add an about command (#2)

### Explanation

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### Issue

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### Attestations

- [x] I have read and agree to the [Code of Conduct](https://docs.nhcarrigan.com/community/coc/)
- [x] I have read and agree to the [Community Guidelines](https://docs.nhcarrigan.com/community/guide/).
- [x] My contribution complies with the [Contributor Covenant](https://docs.nhcarrigan.com/dev/covenant/).

### Dependencies

- [x] I have pinned the dependencies to a specific patch version.

### Style

- [x] I have run the linter and resolved any errors.
- [x] My pull request uses an appropriate title, matching the conventional commit standards.
- [x] My scope of feat/fix/chore/etc. correctly matches the nature of changes in my pull request.

### Tests

- [ ] My contribution adds new code, and I have added tests to cover it.
- [ ] My contribution modifies existing code, and I have updated the tests to reflect these changes.
- [x] All new and existing tests pass locally with my changes.
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### Documentation

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### Versioning

Minor - My pull request introduces a new non-breaking feature.

Reviewed-on: #2
Co-authored-by: Naomi Carrigan <commits@nhcarrigan.com>
Co-committed-by: Naomi Carrigan <commits@nhcarrigan.com>

src/index.ts

@@ -4,6 +4,7 @@
  * @author Naomi Carrigan
  */
 import { Client, Events } from "discord.js";
+import { about } from "./modules/about.js";
 import { translate } from "./modules/translate.js";
 import { instantiateServer } from "./server/serve.js";
 import { logHandler } from "./utils/logHandler.js";
@@ -16,6 +17,9 @@ client.on(Events.InteractionCreate, (interaction) => {
   if (interaction.isMessageContextMenuCommand()) {
     void translate(interaction);
   }
+  if (interaction.isChatInputCommand()) {
+    void about(interaction);
+  }
 });
 
 client.on(Events.ClientReady, () => {