feat: basic database model

Data/ApplicationDbContext.cs

@@ -0,0 +1,29 @@
+// using Microsoft.AspNetCore.Identity;
+// using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using QuotifyBE.Entities;
+
+namespace QuotifyBE.Data
+{
+    public class ApplicationDbContext : DbContext //<User, IdentityRole<string>, string>
+    {
+        public ApplicationDbContext(DbContextOptions<ApplicationDbContext> options)
+            : base(options)
+        {
+        }
+
+        public DbSet<User> Users => Set<User>();
+        public DbSet<Quote> Quotes => Set<Quote>();
+        public DbSet<Category> Categories => Set<Category>();
+        public DbSet<Image> Images => Set<Image>();
+
+        protected override void OnModelCreating(ModelBuilder builder)
+        {
+            base.OnModelCreating(builder);
+
+            builder.Entity<QuoteCategory>()
+                .HasKey(vs => new { vs.QuoteId, vs.CategoryId });
+        }
+    }
+}