🎨 remove locally imagery and improve links

readme.md

@@ -1,12 +1,8 @@
-<a target="_blank" href="https://tasman.ai">
-<picture>
-  <source media="(prefers-color-scheme: dark)" srcset="docs/assets/tasman_light.png">
-  <source media="(prefers-color-scheme: light)" srcset="docs/assets/tasman_dark.png">
-  <img alt="Tasman Logo" src="tasman_light.png" width='500'/>
-</picture>
-</a>
+[![tasman_logo][tasman_wordmark_black]][tasman_website_light_mode]
+[![tasman_logo][tasman_wordmark_cream]][tasman_website_dark_mode]
 
->We are the boutique analytics consultancy that turns disorganised data into real business value. [Get in touch](https://tasman.ai/contact/) to learn more about how Tasman can help solve your organisations data challenges.
+---
+*We are the boutique analytics consultancy that turns disorganised data into real business value. [Get in touch](https://tasman.ai/contact/) to learn more about how Tasman can help solve your organisations data challenges.*
 
 # Multi-Touch Attribution Engine
 
@@ -59,3 +55,8 @@ This package currently supports Snowflake and BigQuery targets.
 This package has been written and is maintained by [Tasman Analytics](https://tasman.ai).
 
 If you find a bug, or for any questions please open an issue on GitHub.
+
+[tasman_website_dark_mode]: https://tasman.ai#gh-dark-mode-only
+[tasman_website_light_mode]: https://tasman.ai#gh-light-mode-only
+[tasman_wordmark_cream]: https://raw.githubusercontent.com/TasmanAnalytics/.github/master/images/tasman_wordmark_cream_500.png#gh-dark-mode-only
+[tasman_wordmark_black]: https://raw.githubusercontent.com/TasmanAnalytics/.github/master/images/tasman_wordmark_black_500.png#gh-light-mode-only