Revert: remove Playwright (caused abuse detection)

Dockerfile

@@ -12,13 +12,9 @@ COPY bilingual_book_maker /app/bilingual_book_maker
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         calibre \
-        libnss3 libatk1.0-0 libatk-bridge2.0-0 libcups2 libdrm2 \
-        libxkbcommon0 libxcomposite1 libxdamage1 libxrandr2 \
-        libgbm1 libpango-1.0-0 libcairo2 libasound2 libxshmfence1 \
-        fonts-liberation fonts-noto-color-emoji \
     && rm -rf /var/lib/apt/lists/*
 
-RUN pip install -r /app/requirements.txt && playwright install chromium
+RUN pip install -r /app/requirements.txt
 
 EXPOSE 7860