chore: add testimonials from Berkeley AI Hackathon and Discord sweep (April-June 2026) (#13)

Adds testimonials from:
- Berkeley AI Hackathon (LinkedIn posts, June 2026)
- Deepgram #dev-chat (night181, April 2026)
- Deepgram all-hands presentation feedback (June 2026)
- Slack kudos (April-June 2026)

Reviewed-on: #13
Co-authored-by: Hikari <hikari@nhcarrigan.com>
Co-committed-by: Hikari <hikari@nhcarrigan.com>

test/projects.spec.ts

@@ -140,6 +140,7 @@ const repoNameMap = {
   "fcc-review-generator": "freeCodeCamp Review Generator",
   "life-of-a-naomi":      "Life of a Naomi",
   "naomis-adventure-1":   "Naomi's Adventure I: An Isekai Story",
+  "qr-generator":         "QR Generator",
   "ruu-goblin-quest":     "Ruu's Goblin Quest",
   "typescript-config":    "TypeScript Config",
   "vscode-themes":        "Naomi's VSCode Themes",