Improved prompt, documentation, example and prompt

The README is improved to include when this library is useful.
Examples.ts now contains more detailed usage.
System prompt is tweaked to yield better and more consistent result.

Re-release after setting webhook to Deno

This release should add the library to Deno registry.

summarize_conversation v1.0.0: A Deno library for summarizing conversations with large language models

summarize_conversation is a tiny helper library with a single function that allows you to easily generate summaries of conversations with large language models such as GPT-3.5 or GPT-4.