RemoteOK İş İlanlarını Telegram'a Gönderme

## Cleaning of texts Purpose: Cleans HTML tags and special characters from the job descriptions for better readability. Attempts to parse cleaned job description JSON safely, handling errors gracefully if parsing fails. Generates a human-readable salary string from the salary_min and salary_max fields. Adds a high-port flag to any entry where the port number is greater than 5000 (optional diagnostic/extra logic). Upserts job data into an Airtable table using the job ID as the unique identifier. Purpose: Formats job data into a Telegram-friendly message string. Purpose: Sends the formatted message to a specific Telegram chat using a bot.