Updated Django cheat sheets (#7132)

* Updated Django Cheat Sheets

Signed-off-by: Rituraj Dey <riturajdey01@gmail.com>

* Updated Django Cheat Sheets

Signed-off-by: Rituraj Dey <riturajdey01@gmail.com>

* Moved the entire section of Django to Python as a subsection

Signed-off-by: Rituraj Dey <riturajdey01@gmail.com>

* Updated Cheat sheet links

Signed-off-by: Rituraj Dey <riturajdey01@gmail.com>

* move Django as Python subsection

* Add Python Crash Course Cheatsheet (2nd Edition) by Eric Matthes

Signed-off-by: Rituraj Dey <riturajdey01@gmail.com>
Co-authored-by: David Ordás <3125580+davorpa@users.noreply.github.com>

more/free-programming-cheatsheets.md

@@ -28,6 +28,7 @@
 * [Perl](#perl)
 * [PHP](#php)
 * [Python](#python)
+    * [Django](#django)
 * [R](#r)
 * [Raspberry Pi](#raspberry-pi)
 * [Ruby](#ruby)
@@ -247,6 +248,7 @@
 * [Python Cheat Sheet](https://websitesetup.org/python-cheat-sheet/) - WebsiteSetup (HTML, PDF, PNG)
 * [Python Cheatsheet for beginners](https://www.codecademy.com/learn/learn-python-3/modules/learn-python3-syntax/cheatsheet) - Codeacademy (HTML)
 * [Python Crash Course Cheatsheet](https://ehmatthes.github.io/pcc/cheatsheets/README.html) - Eric Matthes (HTML)
+* [Python Crash Course Cheatsheet (2nd Edition)](https://ehmatthes.github.io/pcc_2e/cheat_sheets/cheat_sheets/) - Eric Matthes (PDF)
 * [Python Data Wrangling with pandas](https://pandas.pydata.org/Pandas_Cheat_Sheet.pdf) - Pandas (PDF)
 * [Python for Data Science Cheatsheet](https://pydatascience.org/data-science-cheatsheets/) - DataCamp (HTML and Image)
 * [Python Regex Cheatsheet](https://www.debuggex.com/cheatsheet/regex/python) - Debuggex (HTML)
@@ -254,6 +256,14 @@
 * [Scapy Cheat Sheet](https://www.templateroller.com/template/160817/scapy-cheat-sheet-jeremy-stretch.html) - Jeremy Stretch (PDF)
 
 
+#### Django
+
+* [All in one Cheatsheet of Django](https://cheatography.com/ogr/cheat-sheets/django/pdf/) - Olivier R. (PDF)
+* [Django Quick Reference](https://www.codewithharry.com/blogpost/django-cheatsheet/) - Code with Harry (HTML)
+* [Django Web App Beginners Cheat sheet](https://ordinarycoders.com/blog/article/django-beginners-guide) - Jaysha (HTML)
+* [(Python + Django) Cheatsheet](https://dev.to/ericchapman/my-beloved-django-cheat-sheet-2056) - Eric The Coder (HTML)
+
+
 ### R
 
 * [All RStudio cheatsheets resources](https://www.rstudio.com/resources/cheatsheets) - RStudio.com (HTML site with PDF links)