chore: install zustand for state management and ky for data fetching

yarn.lock

@@ -1257,11 +1257,13 @@ __metadata:
     eslint-plugin-react-hooks: "npm:^7.0.1"
     eslint-plugin-react-refresh: "npm:^0.4.24"
     globals: "npm:^16.5.0"
+    ky: "npm:^1.14.3"
     react: "npm:^19.2.0"
     react-dom: "npm:^19.2.0"
     typescript: "npm:~5.9.3"
     typescript-eslint: "npm:^8.48.0"
     vite: "npm:^7.3.1"
+    zustand: "npm:^5.0.12"
   languageName: unknown
   linkType: soft
 
@@ -2603,6 +2605,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"ky@npm:^1.14.3":
+  version: 1.14.3
+  resolution: "ky@npm:1.14.3"
+  checksum: 10c0/8e91c9512c8f1501201108ad58ed437eaf3f5b0a0da842bd846d785932426e84a31cf51d0fffce1921d4e70e26465a9b2b89ed2477822975568258a1fa68a740
+  languageName: node
+  linkType: hard
+
 "levn@npm:^0.4.1":
   version: 0.4.1
   resolution: "levn@npm:0.4.1"
@@ -3758,3 +3767,24 @@ __metadata:
   checksum: 10c0/860d25a81ab41d33aa25f8d0d07b091a04acb426e605f396227a796e9e800c44723ed96d0f53a512b57be3d1520f45bf69c0cb3b378a232a00787a2609625307
   languageName: node
   linkType: hard
+
+"zustand@npm:^5.0.12":
+  version: 5.0.12
+  resolution: "zustand@npm:5.0.12"
+  peerDependencies:
+    "@types/react": ">=18.0.0"
+    immer: ">=9.0.6"
+    react: ">=18.0.0"
+    use-sync-external-store: ">=1.2.0"
+  peerDependenciesMeta:
+    "@types/react":
+      optional: true
+    immer:
+      optional: true
+    react:
+      optional: true
+    use-sync-external-store:
+      optional: true
+  checksum: 10c0/304c1dfb6033d758ddc7606c15df8566e6cace83ee4eeec721e8975f7813fd4cca2c68ff6b3eaa1841a9e53f0cf8486007217479785eccb845e3596de4df7f1e
+  languageName: node
+  linkType: hard