Add support for ImagePatcher

theodolite/src/main/kotlin/theodolite/patcher/PatcherFactory.kt

@@ -74,6 +74,10 @@ class PatcherFactory {
                     k8sResource = resource,
                     variableName = patcherDefinition.properties["variableName"] !!
                 )
+                "ImagePatcher" -> ImagePatcher(
+                    k8sResource = resource,
+                    container = patcherDefinition.properties["container"]!!
+                )
                 else -> throw InvalidPatcherConfigurationException("Patcher type ${patcherDefinition.type} not found.")
             }
         } catch (e: Exception) {