feat(functionscalls.py): add new functions send_ascii_art_text and send_ascii_art_image to send messages and images in ascii art
fix(makeprompt.py): import send_ascii_art_text and send_ascii_art_image functions and add corresponding if statements to handle function calls
feat(config.py): add support for TENOR_API_KEY environment variable to be able to use Tenor API for sending gifs
feat(functionscalls.py): add new function send_a_gif to send a gif in the channel
fix(makeprompt.py): add support for calling send_a_gif function in chatgpt_process function
refactor(functionscalls.py): extract get_final_url function to improve code modularity and reusability
refactor(functionscalls.py): simplify send_a_stock_image function by using get_final_url function and improving message formatting
feat(main.py): add newline at the end of the file for consistency
chore(functionscalls.py): remove extra blank lines
feat(functionscalls.py): add unsplash_random_image_url constant for generating random image URLs
feat(functionscalls.py): add add_reaction_to_last_message() function for adding reactions to the last message
