Update Initialiser to autoload Initialisers module

lib/kangaru/initialiser.rb

@@ -22,6 +22,7 @@ def self.extended(namespace)
       source = caller[0].gsub(/:.*$/, "")
 
       Kangaru.application = Application.new(source:, namespace:)
+      Kangaru.eager_load(Initialisers)
 
       namespace.extend InjectedMethods
     end

lib/kangaru/initialisers.rb

@@ -0,0 +1,4 @@
+module Kangaru
+  module Initialisers
+  end
+end

sig/kangaru/initialisers.rbs

@@ -0,0 +1,4 @@
+module Kangaru
+  module Initialisers
+  end
+end

spec/kangaru/initialiser_spec.rb

@@ -5,6 +5,7 @@
     stub_const "Namespace", Module.new
 
     allow(Kangaru::Application).to receive(:new).and_return(application)
+    allow(Kangaru).to receive(:eager_load)
 
     allow_any_instance_of(Kernel).to receive(:caller).and_return([callsite])
   end
@@ -40,6 +41,15 @@
           .to change { Kangaru.application }
           .to(application)
       end
+
+      it "eager loads the Initialisers namespace" do
+        extended
+
+        expect(Kangaru)
+          .to have_received(:eager_load)
+          .with(Kangaru::Initialisers)
+          .once
+      end
     end
 
     context "when calling file is not in a gem structure" do