feat: database backups & analytics site management

- Added manual database backup functionality with pg_dump
- Added cron-based automated backups to Google Drive and Dropbox
- Added ability to manually add, edit, and delete sites in Analytics
- Added 1-day timeframe filter in Analytics page
- Updated Dockerfile to include postgresql-client

Dockerfile

@@ -23,6 +23,8 @@ RUN npm run build
 FROM base AS runner
 WORKDIR /app
 
+RUN apk add --no-cache postgresql-client
+
 ENV NODE_ENV=production
 ENV NEXT_TELEMETRY_DISABLED=1