Implemented token fetch

PostFundManagement.Api/Program.cs

@@ -1,3 +1,5 @@
+using Scalar.AspNetCore;
+
 var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
@@ -9,6 +11,11 @@ var app = builder.Build();
 // Configure the HTTP request pipeline.
 if (app.Environment.IsDevelopment())
 {
+    app.MapScalarApiReference(options =>
+    {
+        options.WithTitle("Post-fund Management API")
+        .WithTheme(ScalarTheme.BluePlanet);
+    });
     app.MapOpenApi();
 }
 
@@ -21,7 +28,7 @@ var summaries = new[]
 
 app.MapGet("/weatherforecast", () =>
 {
-    var forecast =  Enumerable.Range(1, 5).Select(index =>
+    var forecast = Enumerable.Range(1, 5).Select(index =>
         new WeatherForecast
         (
             DateOnly.FromDateTime(DateTime.Now.AddDays(index)),