WS 1.5 ready

content/week_1_5/WS_1_5_dont_integr_hate.ipynb

content/week_1_5/WS_1_5_solution.ipynb

src/students/Week_1_5/WS_1_5_dont_integr_hate.html

src/students/Week_1_5/WS_1_5_dont_integr_hate.ipynb

src/teachers/Week_1_5/WS_1_5_dont_integr_hate.html

src/teachers/Week_1_5/WS_1_5_dont_integr_hate.ipynb

src/teachers/Week_1_5/WS_1_5_solution.html

src/teachers/Week_1_5/WS_1_5_solution.ipynb