Added Introduction to Python Programming book reference to the galler… (#1207)

Co-authored-by: Brigitta Sipőcz <bsipocz@gmail.com>
Co-authored-by: Brigitta Sipőcz <b.sipocz@gmail.com>

Author: vdsukhov

docs/gallery.yml

@@ -1,3 +1,7 @@
+- name: Introduction to Python Programming
+  website: https://vdsukhov.github.io/python-intro-course/intro.html
+  repository: https://github.com/vdsukhov/python-intro-course
+  image: https://vdsukhov.github.io/python-intro-course/_static/logo.png
 - name: Introduction to Programming for Engineers
   website: https://courses.coe.drexel.edu/ENGR/ENGR131W24/
   repository: https://github.com/DrexelEngineering/ENGR131_W24