docs: update readme, policy

Author: minhnq

README.md

@@ -16,6 +16,7 @@ Free online developer tools. No signup required, 100% client-side processing for
 | **Image Uploader** | Upload images and get shareable links | S3/R2 |
 | **File Transfer** | Share any file with expiring download links | S3/R2 |
 | **Time Capsule** | Lock files until a future date | S3/R2 |
+| **Speech to Text** | Transcribe audio with word-level timestamps and seek | Server (Deepgram) |
 | **ANeko Builder** | Create custom skins for ANeko Reborn Android app | Client-side |
 | **Anonymous Chat** | Real-time public chat with random usernames | PostgreSQL |
 
@@ -109,6 +110,9 @@ S3_ACCESS_KEY=
 S3_SECRET_KEY=
 S3_BUCKET=
 
+# Deepgram API Key (for Speech to Text)
+DEEPGRAM_API_KEY=
+
 # Server Port
 PORT=3001
 ```

src/app/layout.tsx

@@ -11,7 +11,7 @@ const lexendMega = Lexend_Mega({
 
 const siteConfig = {
   name: "DevTools",
-  description: "Free online developer tools: Subdomain Scanner, OTP Generator, Base64 Converter, JSON Server, Webhook Tester, Image Uploader, File Transfer, Time Capsule, ANeko Builder, and Community Chat. No signup required.",
+  description: "Free online developer tools: Subdomain Scanner, OTP Generator, Base64 Converter, JSON Server, Webhook Tester, Image Uploader, File Transfer, Time Capsule, Speech to Text, ANeko Builder, and Community Chat. No signup required.",
   url: process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3000",
 };
 
@@ -35,6 +35,8 @@ export const metadata: Metadata = {
     "file transfer",
     "file sharing",
     "time capsule",
+    "speech to text",
+    "audio transcription",
     "ANeko skin builder",
     "free online tools",
     "privacy tools",

src/app/policy/page.tsx

@@ -46,6 +46,7 @@ export default function PolicyPage() {
                         <li><strong>Time Capsule:</strong> Files and messages are encrypted and stored on our servers until the unlock date. After unlocking, data may be deleted after a period of inactivity.</li>
                         <li><strong>ANeko Builder:</strong> All skin editing happens 100% locally in your browser. We do not upload or store any of your skin files.</li>
                         <li><strong>Anonymous Chat:</strong> Messages are stored in our database and kept for a limited time. Random usernames are generated and saved in your browser for session continuity. Chat is public and visible to all users.</li>
+                        <li><strong>Speech to Text:</strong> Audio files you upload are temporarily stored on our servers for transcription using Deepgram API. Audio and transcripts are automatically deleted after 1 hour. We do not use your audio for any other purpose.</li>
                     </ul>
 
                     <h3>2. Analytics</h3>