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update readme from Sep 14.

README.md

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 license: apache-2.0
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+# Media Dataset for IRAN Protests
+
+Following recent protests in Iran corresponding to [__Mahsa Amini__](https://en.wikipedia.org/wiki/Death_of_Mahsa_Amini)'s death, her name has been a trend on social media like Twitter( [#MahsaAmini](https://twitter.com/search?q=%23MahsaAmini) , [#مهسا_امینی](https://twitter.com/search?q=%23%D9%85%D9%87%D8%B3%D8%A7_%D8%A7%D9%85%DB%8C%D9%86%DB%8C)).
+Untile Octore 15, 2022, there have been 300+ million tweets on Twitter and among them, there are many posts including media files like images and videos.
+
+It will be helpful for Media Companies, Developers or whoever is interested in reviewing and assessing these files. Our data has been collected since September 14, 2022.
+More than __3.1M records__ (including(unique) 2.5M images and 600 thousands videos) is available in current dataset.
+
+
+### Dataset:
+1. created_at: datetime when the tweet posted
+2. md_url: URL of the media
+3. md_type: show media type (image or video)
+4. tw_id: tweet id
+
+## Disclaimer:
+The dataset includes any type of media based on what is published by users on Twitter. So, there will be no accusation against the publisher of this dataset.
+
+
+
+For more information about dataset and the way that able to download the read media files, please refer to [Github](https://github.com/M-Amrollahi/Iran-protests-media).