Update README

Consider repo as submodule.

README.md

@@ -10,5 +10,3 @@ This is the core SDK for summarizing transcripts for Web videos.
    * `prompts/normalize-transcript-text.hbs` is needed for putting proper punctuation to transcript text.
    * `prompts/summarize-transcript.hbs` is needed to perform actual summarization.
 4. Run `npm run build` to build the project.
-
-Use `npm link` to use it on your own project.