Restructure solution layout by module

src/Zastava/StellaOps.Zastava.Webhook/Backend/RuntimePolicyRequest.cs

@@ -0,0 +1,16 @@
+using System.Collections.Generic;
+using System.Text.Json.Serialization;
+
+namespace StellaOps.Zastava.Webhook.Backend;
+
+public sealed record RuntimePolicyRequest
+{
+    [JsonPropertyName("namespace")]
+    public required string Namespace { get; init; }
+
+    [JsonPropertyName("labels")]
+    public IReadOnlyDictionary<string, string>? Labels { get; init; }
+
+    [JsonPropertyName("images")]
+    public required IReadOnlyList<string> Images { get; init; }
+}