feat: build out project dashboard (#2)

### Explanation

This creates an interactive product directory to help potential consumers discover our works.

### Issue

_No response_

### 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.
- [ ] All new and existing tests pass locally with my changes.
- [ ] Code coverage remains at or above the configured threshold.

### Documentation

_No response_

### Versioning

_No response_

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

client/src/app/soon/soon.html

@@ -0,0 +1,16 @@
+<h1>Oh dear~!</h1>
+<img
+  src="https://cdn.nhcarrigan.com/new-avatars/hikari-cry-full.png"
+  alt="Hikari"
+  height="250"
+/>
+<p>You appear to have become lost!</p>
+<p>
+  Either this feature is still under construction, or you have tried to go
+  somewhere that does not exist.
+</p>
+<p>Do not worry, I can guide you back. Where would you like to go?</p>
+<div id="fade">
+  <a href="javascript:history.back()" class="btn">Take me back!</a>
+  <a href="/" class="btn">Take me home!</a>
+</div>