refactor(node-watcher): adapt to new DI architecture

This commit moves the node watcher code to the presentation layer and
adapts it to be ready to use DI. Thus, the node watcher is separated
into a port and adapter.

Bug: twpowertools:226
Change-Id: Id36d5407ff478006eb8c057db1dcad05fd30b7d6
diff --git a/src/features/ccDarkTheme/nodeWatcherHandlers/ecApp.handler.ts b/src/features/ccDarkTheme/nodeWatcherHandlers/ecApp.handler.ts
index 12d50bb..fee1ffd 100644
--- a/src/features/ccDarkTheme/nodeWatcherHandlers/ecApp.handler.ts
+++ b/src/features/ccDarkTheme/nodeWatcherHandlers/ecApp.handler.ts
@@ -1,5 +1,5 @@
 import CssSelectorNodeWatcherScriptHandler from '../../../common/architecture/scripts/nodeWatcher/handlers/CssSelectorNodeWatcherScriptHandler';
-import { NodeMutation } from '../../../common/nodeWatcher/NodeWatcherHandler';
+import { NodeMutation } from '../../../presentation/nodeWatcher/NodeWatcherHandler';
 import { injectDarkThemeButton } from '../core/logic/darkTheme';
 import { CCDarkThemeNodeWatcherDependencies } from '../scripts/nodeWatcher.script';