fix: edge insets init + refactoring

TIUIElements/Sources/Wrappers/EdgeConstraints.swift

@@ -28,6 +28,17 @@ public struct EdgeConstraints {
     public let topConstraint: NSLayoutConstraint
     public let bottomConstraint: NSLayoutConstraint
 
+    public init(leadingConstraint: NSLayoutConstraint,
+                trailingConstraint: NSLayoutConstraint,
+                topConstraint: NSLayoutConstraint,
+                bottomConstraint: NSLayoutConstraint) {
+        
+        self.leadingConstraint = leadingConstraint
+        self.trailingConstraint = trailingConstraint
+        self.topConstraint = topConstraint
+        self.bottomConstraint = bottomConstraint
+    }
+
     public var allConstraints: [NSLayoutConstraint] {
         [
             leadingConstraint,