[BREAKING CHANGE] moved dry run into query and chat

[aaishikdutta]

Description

Moved Dry Run into the chat and query method

Fixes #322

Type of change

• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

How Has This Been Tested?

Tested using a script

• Test Script (please provide)

from embedchain import App

app = App()
app.add("youtube_video", "https://youtu.be/ilIefxbSJT8")
print(app.query("What is Oppenheimer about?", dry_run=True))

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

Maintainer Checklist

• closes [ux improvement]: remove dry_run attribute and add this functionality as a kwargs #322
• Made sure Checks passed

[taranjeet]

this is good @aaishikdutta