Add healthchecks to the api

back/src/Kyoo.Postgresql/Kyoo.Postgresql.csproj

@@ -10,6 +10,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
+		<PackageReference Include="Microsoft.Extensions.Diagnostics.HealthChecks.EntityFrameworkCore" Version="5.0.7" />
 		<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="5.0.7" />
 		<PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="5.0.8" />
 	</ItemGroup>

back/src/Kyoo.Postgresql/PostgresModule.cs

@@ -91,6 +91,8 @@ namespace Kyoo.Postgresql
 				if (_environment.IsDevelopment())
 					x.EnableDetailedErrors().EnableSensitiveDataLogging();
 			}, ServiceLifetime.Transient);
+
+			services.AddHealthChecks().AddDbContextCheck<DatabaseContext>();
 		}
 	}
 }