created admin panel for Author model

lancedamalerio_reading/bookshelf/admin.py

 from django.contrib import admin
+from .models import Author, Book
+
+#admin panel for Author model
+
+class AuthorAdmin(admin.ModelAdmin):
+    model = Author 
+    list_display = ("first_name", "last_name", "age", "nationality", "bio",)
+    search_fields = ("first_name", "last_name", "age", "nationality", "bio",)
+
+
+
+admin.site.register(Author, AuthorAdmin)
+    
+
+
 
-# Register your models here.