Add requirements.txt

requirements.txt

+asgiref==3.4.1
+ConnPlotter==0.7a0
+cycler==0.11.0
+Django==3.2.9
+fonttools==4.34.4
+kiwisolver==1.4.4
+matplotlib==3.5.2
+nest-simulator===HEAD-054b35596
+numpy==1.23.0
+packaging==21.3
+Pillow==9.2.0
+pyparsing==3.0.9
+pyserial==3.5
+python-dateutil==2.8.2
+pytz==2021.3
+PyYAML==6.0
+scipy==1.9.0
+six==1.16.0
+sqlparse==0.4.2