refactor: rename v1 references to base

- Remove v1 versioning from project name
- Update all references: TrueRecall v1 → TrueRecall Base
- Update paths: true-recall-v1 → true-recall-base
- Clean up README (remove version number)
- Update config description
- Update service file description and paths

config.json

@@ -1,6 +1,6 @@
 {
   "version": "1.0",
-  "description": "TrueRecall v1 - Memory capture only",
+  "description": "TrueRecall Base - Memory capture",
   "components": ["watcher"],
   "collections": {
     "memories": "memories_tr"