Add LndHub db/models, and quick stats for admin views

app/components/quickstats_container_component.html.erb

@@ -0,0 +1,3 @@
+<dl class="grid grid-cols-2 lg:grid-cols-4 gap-6 sm:gap-12">
+  <%= content %>
+</dl>

app/components/quickstats_container_component.rb

@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+class QuickstatsContainerComponent < ViewComponent::Base
+end

app/components/quickstats_item_component.html.erb

@@ -0,0 +1,18 @@
+<div class="">
+  <dt class="mb-2 text-gray-500">
+    <%= @title %>
+  </dt>
+  <dd>
+    <% if @type == :number %>
+      <span class="text-2xl"><%= number_with_delimiter @value %></span>
+    <% else %>
+      <span class="text-2xl"><%= @value %></span>
+    <% end %>
+    <% if @unit %>
+      <span><%= @unit %></span>
+    <% end %>
+    <% if @meta %>
+      <span class="text-gray-500"><%= @meta %></span>
+    <% end %>
+  </dd>
+</div>

app/components/quickstats_item_component.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class QuickstatsItemComponent < ViewComponent::Base
+  def initialize(type:, title:, value:, unit: nil, meta: nil, icon_name: nil, icon_color_class: nil)
+    @type = type
+    @title = title
+    @value = value
+    @unit = unit
+    @meta = meta
+    @icon_name = icon_name
+    @icon_color_class = icon_color_class
+  end
+end