Initial commit: Telegram voice/video transcription bot in Zig

Long-polling bot that accepts voice messages and video notes,
sends them to Whisper STT API, and replies with transcription text.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,10 @@
+FROM alpine:3.21 AS builder
+RUN apk add --no-cache zig
+COPY . /app
+WORKDIR /app
+RUN zig build -Doptimize=ReleaseSafe
+
+FROM alpine:3.21
+RUN apk add --no-cache ffmpeg ca-certificates
+COPY --from=builder /app/zig-out/bin/transcribator /usr/local/bin/
+CMD ["transcribator"]