Started the Split

Split Json data models coming from REST Api, from the Database models
storing them in a SQLite database.
Work to re-engineer endpoints to use Database objects, and copy/update
data from the json objects.
More work is needed.

FreeTubeSync/Database/DataContext.cs

@@ -1,4 +1,4 @@
-using FreeTubeSync.Model;
+using FreeTubeSync.Model.Database;
 using Microsoft.EntityFrameworkCore;
 
 namespace FreeTubeSync.Database;
@@ -12,25 +12,8 @@ public class DataContext : DbContext
 
     protected override void OnModelCreating(ModelBuilder modelBuilder)
     {
-        modelBuilder.Entity<Setting>()
-            .ToTable("Settings")
-            .HasKey(s => s._id);
-        
-        modelBuilder.Entity<Setting>()
-            .Property(s => s.ValueJson)
-            .HasColumnName("Value")
-            .IsRequired();
-        
-        modelBuilder.Entity<Profile>()
-            .ToTable("Profiles")
-            .HasKey(s => s._id);
-
         modelBuilder.Entity<Profile>()
             .Navigation(e => e.subscriptions).AutoInclude();
-        
-        modelBuilder.Entity<Playlist>()
-            .ToTable("Playlists")
-            .HasKey(s => s._id);
 
         modelBuilder.Entity<Playlist>()
             .Navigation(e => e.videos).AutoInclude();