Added pyshelfs database tables to the admin backend, and created the custom user backend handler

src/interface/admin.py

@@ -1,6 +1,30 @@
 from django.contrib import admin
+from django.contrib.auth.admin import UserAdmin
+
+from .models import Books, Collections, Favorites, Navigation, CustomUser
+from .forms import CustomUserCreationForm, CustomUserChangeForm
+
+
+class CustomUserAdmin(UserAdmin):
+    model = CustomUser
+    add_form = CustomUserCreationForm
+    form = CustomUserChangeForm
+    list_display = ["email", "username", "facebook", "twitter", "sponsorid", "matrixid"]
+    fieldsets = UserAdmin.fieldsets + (
+        (None, {"fields": ()}),
+        ("Personal info", {"fields": ("facebook", "twitter", "matrixid")}),
+        ("Permissions", {"fields": ("sponsorid",)}),
+    )
+    # add_fieldsets is not a standard ModelAdmin attribute. UserAdmin
+    # overrides get_fieldsets to use this attribute when creating a user.
+    add_fieldsets = UserAdmin.add_fieldsets + (
+        (None, {"classes": ("wide",), "fields": ("facebook", "twitter", "sponsorid", "matrixid")},),
+    )
 
-from .models import Books
 
 # Register your models here.
 admin.site.register(Books)
+admin.site.register(Collections)
+admin.site.register(Favorites)
+admin.site.register(Navigation)
+admin.site.register(CustomUser, CustomUserAdmin)