Fix String+Latin underline issue

Add String Distance

Sources/ExtensionKit/FoundationExtensions/String/AttributedString+Attribute.swift

@@ -0,0 +1,15 @@
+//
+//  AttributedString+Attribute.swift
+//  
+//
+//  Created by MohammadReza Ansary on 12/20/21.
+//
+
+import Foundation
+
+public extension NSMutableAttributedString {
+    func attribute(_ key: NSAttributedString.Key, value: Any, range: NSRange) -> Self {
+        addAttribute(key, value: value, range: range)
+        return self
+    }
+}

Sources/ExtensionKit/FoundationExtensions/String/String+Attributed.swift

@@ -0,0 +1,14 @@
+//
+//  String+Attributed.swift
+//  
+//
+//  Created by MohammadReza Ansary on 12/20/21.
+//
+
+import Foundation
+
+public extension String {
+    var attributed: NSMutableAttributedString {
+        NSMutableAttributedString(string: self)
+    }
+}

Sources/ExtensionKit/FoundationExtensions/String/String+Distance.swift

@@ -0,0 +1,23 @@
+//
+//  String+Distance.swift
+//  
+//
+//  Created by MohammadReza Ansary on 12/20/21.
+//
+
+import Foundation
+
+public extension StringProtocol {
+    func distance(of element: Element) -> Int? { firstIndex(of: element)?.distance(in: self) }
+    func distance<S: StringProtocol>(of string: S) -> Int? { range(of: string)?.lowerBound.distance(in: self) }
+}
+
+
+public extension Collection {
+    func distance(to index: Index) -> Int { distance(from: startIndex, to: index) }
+}
+
+
+public extension String.Index {
+    func distance<S: StringProtocol>(in string: S) -> Int { string.distance(to: self) }
+}

Sources/ExtensionKit/FoundationExtensions/String/String+Latin.swift

@@ -11,6 +11,7 @@ public extension String {
 
    /// Perform string transliteration to latin.
     var latin: Self {
-        self.applyingTransform(StringTransform.toLatin, reverse: false) ?? self
-    }
+        let latin = self.applyingTransform(StringTransform.toLatin, reverse: false) ?? self
+        return latin.applyingTransform(StringTransform.stripDiacritics, reverse: false) ?? self
+    }    
 }