Re-organise classes

src/Builder.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Opdavies\GmailFilterBuilder;
+
+use Opdavies\GmailFilterBuilder\Service\Builder as NewBuilder;
+
+/**
+ * @deprecated
+ */
+class Builder extends NewBuilder
+{
+}

src/Filter.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Opdavies\GmailFilterBuilder;
+
+use Opdavies\GmailFilterBuilder\Model\Filter as NewFilter;
+
+/**
+ * @deprecated
+ */
+class Filter extends NewFilter
+{
+}

src/Model/Filter.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Opdavies\GmailFilterBuilder;
+namespace Opdavies\GmailFilterBuilder\Model;
 
 class Filter
 {

src/Service/Builder.php

@@ -1,6 +1,8 @@
 <?php
 
-namespace Opdavies\GmailFilterBuilder;
+namespace Opdavies\GmailFilterBuilder\Service;
+
+use Opdavies\GmailFilterBuilder\Filter;
 
 class Builder
 {