Match Card title API to the other components

We want to be able to pass both content and options to the title element
so we should follow the samme pattern as other components like
InputField.

Author: koppen

app/components/flowbite/card.rb

@@ -35,7 +35,7 @@ def styles
     #   it will be rendered at the top of the card in a h5 tag using the
     #   Card::Title component. Alternatively, you can use the `title` slot to
     #   provide the entire title element yourself.
-    def initialize(class: [], options: {}, title: nil)
+    def initialize(class: [], options: {}, title: {})
       @class = Array(binding.local_variable_get(:class)) || []
       @options = options || {}
       @title = title
@@ -51,14 +51,29 @@ def card_options
 
     # Returns the HTML to use for the title element if any
     def default_title
-      return nil unless title?
+      component = Flowbite::Card::Title.new
+
+      if default_title_content
+        component.with_content(default_title_content)
+      else
+        component
+      end
 
-      component = Flowbite::Card::Title.new.with_content(default_title_content)
       render(component)
     end
 
     def default_title_content
-      @title
+      return nil unless @title
+
+      @title[:content]
+    end
+
+    def default_title_options
+      title_options = @title.dup
+      title_options.delete(:content)
+
+      {
+      }.merge(title_options)
     end
 
     def title?

demo/test/components/previews/card_preview.rb

@@ -9,7 +9,7 @@ def default
   end
 
   def with_title_argument
-    render(Flowbite::Card.new(title: "Card Title")) do
+    render(Flowbite::Card.new(title: {content: "Card Title"})) do
       "This card includes a title with the default styling."
     end
   end

test/components/flowbite/card_test.rb

@@ -29,7 +29,7 @@ def test_overrides_the_default_classes
   end
 
   def test_with_title_argument
-    render_inline(Flowbite::Card.new(title: "Card Title")) { "Card Content" }
+    render_inline(Flowbite::Card.new(title: {content: "Card Title"})) { "Card Content" }
 
     assert_selector("h5.mb-2.text-2xl.font-bold.tracking-tight.text-gray-900.dark\\:text-white", text: "Card Title")
   end