Fix deprecations

[tiagoefmoraes]

use <.link patch=...> instead of <LivePatch>

Because the links are to the same LiveView we use patch

     warning: Surface.Components.LivePatch.render/1 is deprecated. Use liveview's built-in `<.link>` instead
     │
 102 │                     <LivePatch to={path_to(__MODULE__, @component_name, :docs)}>
     │                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     │
     └─ lib/surface/catalogue/live/page_live.ex:102: Surface.Catalogue.PageLive.render/1
     └─ lib/surface/catalogue/live/page_live.ex:108: Surface.Catalogue.PageLive.render/1
     └─ lib/surface/catalogue/live/page_live.ex:114: Surface.Catalogue.PageLive.render/1

     warning: Surface.Components.LivePatch.render/1 is deprecated. Use liveview's built-in `<.link>` instead
     │
  32 │         <LivePatch to="/catalogue/" class={"has-text-weight-bold": !@selected_component}>
     │         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     │
     └─ lib/surface/catalogue/components/component_tree.ex:32: Surface.Catalogue.Components.ComponentTree.render_node/1
     └─ lib/surface/catalogue/components/component_tree.ex:45: Surface.Catalogue.Components.ComponentTree.render_node/1

use Surface.Catalogue.Examples instead of Surface.Catalogue.Example

warning: `Surface.Catalogue.Example` is deprecated. Use `Surface.Catalogue.Examples` instead
  priv/catalogue/button/example01.ex:6: SurfaceCatalogue.SampleComponents.Button.Example01 (module)