fix(docker): CRLF в entrypoint на Windows; .gitattributes для *.sh; README

Made-with: Cursor

Dockerfile

@@ -23,7 +23,10 @@ COPY --from=backend-build /app/backend/prisma ./prisma
 COPY --from=backend-build /app/backend/package.json ./package.json
 COPY --from=frontend-build /app/frontend/dist ./public
 COPY docker-entrypoint.sh /docker-entrypoint.sh
-RUN chmod +x /docker-entrypoint.sh
+# Убрать CRLF после checkout на Windows (иначе: exec /docker-entrypoint.sh: no such file or directory)
+RUN tr -d '\r' < /docker-entrypoint.sh > /tmp/docker-entrypoint.sh && \
+    mv /tmp/docker-entrypoint.sh /docker-entrypoint.sh && \
+    chmod +x /docker-entrypoint.sh
 EXPOSE 3107
 ENTRYPOINT ["/docker-entrypoint.sh"]
 CMD ["node", "dist/index.js"]