new 'official' privacy policy

docs/privacy.md

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+# Privacy Policy
+
+**Effective Date:** 2025-01-01
+
+Thank you for using Traditional T9. Your privacy is a priority. This Privacy Policy explains how the app handles your data.
+
+## **No Data Collection**
+The app **does not collect, store, or share any personal or typing-related data.** User privacy is fully respected, with no tracking, telemetry, or data reporting of any kind.
+
+## **No Spying, No Tracking**
+The app does not contain any analytics, advertising trackers, or background data collection mechanisms. Your usage remains entirely private.
+
+## **Two Versions: Full and Lite**
+There are two versions of the app:
+
+- **Full Version**: Operates **completely offline** and does not require Internet access. This version has **no network permissions** and guarantees absolute privacy.
+- **Lite Version**: Requires an Internet connection only in two specific cases:
+  1. **Downloading dictionaries from GitHub** (when requested by the user).
+  2. **Using voice input** (which relies on external speech recognition services).
+
+Aside from these two cases, the Lite version does not make any other network requests.
+
+## **Open-Source Transparency**
+Traditional T9 is **open-source**, meaning that anyone can review the source code to verify the privacy claims above. You can inspect the code yourself to ensure that the app does not collect or transmit any data.
+
+---
+By using Traditional T9, you agree to this Privacy Policy. If you do not agree, please discontinue use of the app. This policy may be updated if necessary, and any changes will be reflected here.
+
+Thank you for using Traditional T9!