WIP: Add resource table component

Add first try of a resource table. It is pretty raw and does not create the right output, but it is only a proposal.

app/components/alchemy/admin/resource_table.rb

@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+module Alchemy
+  module Admin
+    class ResourceTable < ViewComponent::Base
+      attr_reader :columns, :collection
+
+      erb_template <<~ERB
+        <div class="resources-table-wrapper">
+          <table>
+          <tr>
+            <% columns.each do |column| %>
+              <th><%= column.name %></th>
+            <% end %>
+          </tr>
+          <% collection.each do |row| %>
+            <tr>
+              <% columns.each do |column| %>
+                <td>
+                  <%= view_context.capture(row, &column.block) %>
+                </td>
+              <% end %>
+            </tr>
+          <% end %>
+          </table>
+        </div>
+      ERB
+
+      def initialize(collection)
+        @collection = collection
+        @columns = []
+      end
+
+      def add_column(name, sortable: false, &block)
+        @columns << Column.new(name, sortable: sortable, &block)
+      end
+
+      private
+
+      ##
+      # the before_render - method is necessary to force ViewComponent to evaluate the add_column - calls
+      def before_render
+        content
+      end
+
+      class Column
+        attr_reader :block, :name, :sortable
+
+        def initialize(name, sortable:, &block)
+          @name = name
+          @sortable = sortable
+          @block = block_given? ? block : lambda { |item| item[name] }
+        end
+      end
+    end
+  end
+end