Moved BindingGenerator from gen html project. It makes more sense here.

Sources/BindingGenerator/Internal/Util.swift

@@ -0,0 +1,22 @@
+//
+//  Util.swift
+//  HRW
+//
+//  Created by Isaac Paul on 10/15/24.
+//  Non-commercial license, see LICENSE.MD in the project root for details
+//
+
+@inline(__always)
+internal func expect<T>(_ item:T?, _ error:String) throws -> T {
+    if let item = item {
+        return item
+    }
+    throw AppError(error)
+}
+/*
+internal func parseBool(_ item:String?) throws -> Bool? {
+    if let item = item {
+        return item
+    }
+    return nil
+}*/