Add configurable number of retries and timeout for http calls (#40)

code/Common/Configuration/General/HttpConfig.cs

@@ -0,0 +1,20 @@
+using Microsoft.Extensions.Configuration;
+
+namespace Common.Configuration.General;
+
+public class HttpConfig : IConfig
+{
+    [ConfigurationKeyName("HTTP_MAX_RETRIES")]
+    public ushort MaxRetries { get; init; }
+    
+    [ConfigurationKeyName("HTTP_TIMEOUT")]
+    public ushort Timeout { get; init; } = 100;
+
+    public void Validate()
+    {
+        if (Timeout is 0)
+        {
+            throw new ArgumentException("HTTP_TIMEOUT must be greater than 0");
+        }
+    }
+}

code/Common/Configuration/General/TriggersConfig.cs

@@ -1,4 +1,4 @@
-namespace Common.Configuration;
+namespace Common.Configuration.General;
 
 public sealed class TriggersConfig
 {

code/Common/Helpers/Constants.cs

@@ -4,4 +4,6 @@ public static class Constants
 {
     public static readonly TimeSpan TriggerMaxLimit  = TimeSpan.FromHours(6);
     public static readonly TimeSpan CacheLimitBuffer = TimeSpan.FromHours(2);
+
+    public const string HttpClientWithRetryName = "retry";
 }