add whole new app for balance prediction, replace uwsgi, update everything

core/admin.py

@@ -0,0 +1,15 @@
+from django.contrib import admin
+
+from core.models import Subject, Transaction
+from financeplanner.admin import admin_site
+
+
+@admin.register(Subject, site=admin_site)
+class SubjectAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(Transaction, site=admin_site)
+class TransactionAdmin(admin.ModelAdmin):
+    list_display = ("subject", "amount", "booking_date",)
+    ordering = ("-booking_date",)