Make the inputmode modifier accept an enum (#162)

* Make the inputmode modifier accept an enum

* Deprecate the old modifier

* Rename a case of the mode enum

* Add a test

Sources/HTMLKit/Abstraction/Attributes/BasicAttributes.swift

@@ -1121,16 +1121,19 @@ extension IsMapAttribute where Self: EmptyNode {
     }
 }
 
-/// The protocol provides the element with the inputmode handler.
+/// A type that provides the `inputMode` modifier.
 @_documentation(visibility: internal)
 public protocol InputModeAttribute: Attribute {
-
-    /// The function represents the html-attribute 'inputmode'.
+    
+    /// Set the virtual keyboard mode for the editable element.
     ///
-    /// ```html
-    /// <tag inputmode="" />
+    /// ```swift
+    /// Input()
+    ///     .inputMode(.numeric)
     /// ```
-    func inputMode(_ value: String) -> Self
+    ///
+    /// - Parameter value: The mode to set on
+    func inputMode(_ value: Values.Mode) -> Self
 }
 
 extension InputModeAttribute where Self: ContentNode {

Sources/HTMLKit/Abstraction/Elements/BasicElements.swift

@@ -124,9 +124,14 @@ extension Html: GlobalAttributes, GlobalEventAttributes {
         return self
     }
 
+    @available(*, deprecated, message: "The inputmode attribute is actually an enumerated attribute. Use the inputMode(_: Mode) modifier instead.")
     public func inputMode(_ value: String) -> Html {
         return mutate(inputmode: value)
     }
+
+    public func inputMode(_ value: Values.Mode) -> Html {
+        return mutate(inputmode: value.rawValue)
+    }
 
     public func `is`(_ value: String) -> Html {
         return mutate(is: value)