Enable Electricity Api local usage

src/Electricity.Api/Program.cs

@@ -33,6 +33,16 @@ builder.Services.AddDbContext<DatabaseContext>((DbContextOptionsBuilder builder)
     builder.UseSqlite($"Data Source={sqlite3DatabaseFilePath}");
 });
 
+builder.Services.AddCors(options =>
+{
+    options.AddPolicy(
+        name: "default",
+        policy =>
+        {
+            policy.WithOrigins("http://localhost:8080");
+        });
+});
+
 builder.Services.AddControllers()
     .AddJsonOptions(config =>
     {
@@ -46,8 +56,10 @@ var app = builder.Build();
 
 if (app.Environment.IsDevelopment())
 {
+    app.UseHttpsRedirection();
     app.UseSwagger();
     app.UseSwaggerUI();
+    app.UseCors("default");
 }
 
 app.UseAuthorization();

src/Electricity.Api/Services/ElectricityService.cs

@@ -56,6 +56,7 @@ public class ElectricityService
         }
 
         var lastAsModel = Day.FromEntity(last);
+        // TODO fix UTC issues here (just return the date, don't use timestamps)
         return new Day(
             lastAsModel.DateTime,
             lastAsModel.TotalPowerUse - firstAsModel.TotalPowerUse,