feat(exam): add initial exam service

Co-authored-by: Ratan Sunder Parai <ratanparai@gmail.com>

Author: cseshohag

src/Services/ExamManagement/ExamManagement.API/Controllers/HelloWorldController.cs

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+using Microsoft.AspNetCore.Mvc;
+
+namespace ExamManagement.API.Controllers
+{
+    [ApiController]
+    [Route("[controller]")]
+    public class HelloWorldController : ControllerBase
+    {
+        [HttpGet]
+        public ActionResult<string> Ping()
+        {
+            return Ok("Pong");
+        }
+    }
+}

src/Services/ExamManagement/ExamManagement.API/ExamManagement.API.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.1.4" />
+  </ItemGroup>
+
+
+</Project>

src/Services/ExamManagement/ExamManagement.API/Program.cs

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+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Hosting;
+
+namespace ExamManagement.API
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        public static IHostBuilder CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .ConfigureWebHostDefaults(webBuilder =>
+                {
+                    webBuilder.UseStartup<Startup>();
+                });
+    }
+}

src/Services/ExamManagement/ExamManagement.API/Startup.cs

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+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.OpenApi.Models;
+
+namespace ExamManagement.API
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        public void ConfigureServices(IServiceCollection services)
+        {
+
+            services.AddControllers();
+            services.AddSwaggerGen(c =>
+            {
+                c.SwaggerDoc("v1", new OpenApiInfo { Title = "ExamManagement.API", Version = "v1" });
+            });
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+
+            }
+            app.UseSwagger();
+            app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "ExamManagement.API v1"));
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllers();
+            });
+        }
+    }
+}

src/Services/ExamManagement/ExamManagement.API/appsettings.Development.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}

src/Services/ExamManagement/ExamManagement.API/appsettings.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}