moved to environment.yml, added badges to README

Author: Bruno Goncalves

README.md

@@ -1,5 +1,12 @@
+![GitHub](https://img.shields.io/github/license/DataForScience/Excel)
+[![Twitter @data4sci](https://img.shields.io/twitter/follow/data4sci)](https://twitter.com/intent/follow?screen_name=data4sci)
+![GitHub top language](https://img.shields.io/github/languages/top/DataForScience/Excel)
+![GitHub repo size](https://img.shields.io/github/repo-size/DataForScience/Excel)
+![GitHub last commit](https://img.shields.io/github/last-commit/DataForScience/Excel)
 [![Binder](https://mybinder.org/badge_logo.svg)](https://mybinder.org/v2/gh/DataForScience/Excel/master)
 
+[![Sunday Briefing](https://img.shields.io/badge/Sunday_Briefing-Subscribe-blue)](https://data4sci.ck.page/8a51c452bc)
+
 # Transforming Excel Analysis into Python and pandas Data Models
 
 ### Code and slides to accompany the online series of webinars: https://data4sci.com/excel by Data For Science.

environment.yml

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+dependencies:
+  - numpy_financial==1.0.0
+  - numpy==1.19.2
+  - matplotlib==3.3.2
+  - scipy==1.6.0
+  - openpyxl==3.0.5
+  - pandas==1.1.3
+  - watermark==2.1.0
+  - scikit_learn==0.24.1