Initial project setup - Phases 1-3 complete

ProxyCore/Sources/DataLayer/Models/DomainGroup.swift

@@ -0,0 +1,13 @@
+import Foundation
+import GRDB
+
+public struct DomainGroup: Decodable, FetchableRecord, Identifiable, Hashable, Sendable {
+    public var id: String { domain }
+    public var domain: String
+    public var requestCount: Int
+
+    public init(domain: String, requestCount: Int) {
+        self.domain = domain
+        self.requestCount = requestCount
+    }
+}