✨ feat(matrix-clock-bot): add Matrix bot for time tracking

Features:
- Timer commands: !timer 25m, !stop, !resume, !reset, !status
- Alarm commands: !alarm 07:30, !alarms
- World clock: !zeit, !weltuhr Berlin, !weltuhren
- Voice note support via mana-stt transcription
- Natural language parsing for German time formats

services/matrix-clock-bot/.env.example

@@ -0,0 +1,15 @@
+# Server
+PORT=3317
+
+# Matrix
+MATRIX_HOMESERVER_URL=http://localhost:8008
+MATRIX_ACCESS_TOKEN=syt_xxx_your_bot_token
+MATRIX_ALLOWED_ROOMS=#clock:matrix.mana.how
+MATRIX_STORAGE_PATH=./data/bot-storage.json
+
+# Clock Backend API
+CLOCK_API_URL=http://localhost:3017/api/v1
+CLOCK_API_TOKEN=
+
+# Speech-to-Text (mana-stt service)
+STT_URL=http://localhost:3020