Add editable pages

slices/admin/actions/pages/create.rb

@@ -0,0 +1,15 @@
+module Admin
+  module Actions
+    module Pages
+      class Create < Action
+        include Deps["commands.pages.create"]
+
+        def handle(req, res)
+          create.call(page: req.params[:page])
+
+          res.redirect_to "/admin/pages"
+        end
+      end
+    end
+  end
+end