Add Config locking and caching

Toolkit.Foundation/ConfigurationCache.cs

@@ -0,0 +1,26 @@
+using System.Collections.Concurrent;
+
+namespace Toolkit.Foundation;
+
+public static class ConfigurationCache
+{
+    private static readonly ConcurrentDictionary<string, object?> cache = new();
+
+    public static void Set<TConfiguration>(string section,
+        TConfiguration configuration) => cache[section] = configuration;
+
+    public static bool Remove(string section) => cache.TryRemove(section, out _);
+
+    public static bool TryGet<TConfiguration>(string section,
+        out TConfiguration? configuration)
+    {
+        if (cache.TryGetValue(section, out object? cachedValue))
+        {
+            configuration = (TConfiguration?)cachedValue;
+            return true;
+        }
+
+        configuration = default;
+        return false;
+    }
+}