Merge pull request 'Added AddSecurityEndpoints login endpoint' (#89) from payments into master

Reviewed-on: #89

LiteCharms.Features/Extensions/Api.cs

@@ -76,6 +76,14 @@ public static class Api
 
     public static WebApplication AddSecurityEndpoints(this WebApplication app)
     {
+        app.MapGet("/login", async (HttpContext context, string redirectUri = "/") =>
+        {
+            await context.ChallengeAsync(OpenIdConnectDefaults.AuthenticationScheme, new AuthenticationProperties
+            {
+                RedirectUri = redirectUri,
+            });
+        });
+
         app.MapGet("/logout", async (HttpContext context, IHttpClientFactory httpClientFactory, IOptions<LiteCharmsSettings> settings) =>
         {
             await context.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);