add folder watcher

yarn.lock

@@ -416,9 +416,11 @@ __metadata:
   resolution: "@metazla/meta-hash@workspace:."
   dependencies:
     "@types/node": "npm:^20.12.2"
+    chokidar: "npm:^3.6.0"
     csv-parse: "npm:^5.5.5"
     csv-stringify: "npm:^6.4.6"
     multiformats: "npm:^13.1.0"
+    p-queue: "npm:^8.0.1"
     piscina: "npm:^4.4.0"
     ts-node: "npm:^10.9.2"
     tsup: "npm:^8.0.2"
@@ -904,7 +906,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chokidar@npm:^3.5.1":
+"chokidar@npm:^3.5.1, chokidar@npm:^3.6.0":
   version: 3.6.0
   resolution: "chokidar@npm:3.6.0"
   dependencies:
@@ -1249,6 +1251,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"eventemitter3@npm:^5.0.1":
+  version: 5.0.1
+  resolution: "eventemitter3@npm:5.0.1"
+  checksum: 10c0/4ba5c00c506e6c786b4d6262cfbce90ddc14c10d4667e5c83ae993c9de88aa856033994dd2b35b83e8dc1170e224e66a319fa80adc4c32adcd2379bbc75da814
+  languageName: node
+  linkType: hard
+
 "execa@npm:^5.0.0":
   version: 5.1.1
   resolution: "execa@npm:5.1.1"
@@ -2051,6 +2060,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"p-queue@npm:^8.0.1":
+  version: 8.0.1
+  resolution: "p-queue@npm:8.0.1"
+  dependencies:
+    eventemitter3: "npm:^5.0.1"
+    p-timeout: "npm:^6.1.2"
+  checksum: 10c0/fe185bc8bbd32d17a5f6dba090077b1bb326b008b4ec9b0646c57a32a6984035aa8ece909a6d0de7f6c4640296dc288197f430e7394cdc76a26d862339494616
+  languageName: node
+  linkType: hard
+
+"p-timeout@npm:^6.1.2":
+  version: 6.1.2
+  resolution: "p-timeout@npm:6.1.2"
+  checksum: 10c0/d46b90a9a5fb7c650a5c56dd5cf7102ea9ab6ce998defa2b3d4672789aaec4e2f45b3b0b5a4a3e17a0fb94301ad5dd26da7d8728402e48db2022ad1847594d19
+  languageName: node
+  linkType: hard
+
 "path-key@npm:^3.0.0, path-key@npm:^3.1.0":
   version: 3.1.1
   resolution: "path-key@npm:3.1.1"