diff --git a/chapter-1-end/package-lock.json b/chapter-1-end/package-lock.json
index 460dbba..8ad364e 100644
--- a/chapter-1-end/package-lock.json
+++ b/chapter-1-end/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "chapter-2-start",
-  "version": "1.0.0",
+  "version": "2.0.0",
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@@ -80,6 +80,11 @@
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+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.20.5.tgz",
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+    },
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       "dev": true
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+    "@vue/compiler-sfc": {
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+      "resolved": "https://registry.npmjs.org/@vue/compiler-sfc/-/compiler-sfc-2.7.14.tgz",
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+      "requires": {
+        "@babel/parser": "^7.18.4",
+        "postcss": "^8.4.14",
+        "source-map": "^0.6.1"
+      },
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+          "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.19.tgz",
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+          "requires": {
+            "nanoid": "^3.3.4",
+            "picocolors": "^1.0.0",
+            "source-map-js": "^1.0.2"
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       "dev": true
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+    "are-we-there-yet": {
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+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.7.tgz",
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+      "dev": true,
+      "requires": {
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@@ -494,6 +531,12 @@
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+      "resolved": "https://registry.npmjs.org/async-foreach/-/async-foreach-0.1.3.tgz",
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+      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
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@@ -2249,6 +2301,29 @@
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+      "resolved": "https://registry.npmjs.org/clone-deep/-/clone-deep-2.0.2.tgz",
+      "integrity": "sha512-SZegPTKjCgpQH63E+eN6mVEEPdQBOUzjyJm5Pora4lrwWRFS8I0QAxV/KD6vV/i0WuijHZWQC1fMsPEdxfdVCQ==",
+      "dev": true,
+      "requires": {
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+        "is-plain-object": "^2.0.4",
+        "kind-of": "^6.0.0",
+        "shallow-clone": "^1.0.0"
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+          "resolved": "https://registry.npmjs.org/for-own/-/for-own-1.0.0.tgz",
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+          "dev": true,
+          "requires": {
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@@ -2469,6 +2544,12 @@
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+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
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+      "dev": true
+    },
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@@ -2773,12 +2854,6 @@
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@@ -2986,6 +3061,11 @@
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       }
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+      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.1.tgz",
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+    },
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@@ -3055,7 +3135,7 @@
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-      "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
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@@ -3142,6 +3222,12 @@
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       "dev": true
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+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
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@@ -3423,6 +3509,12 @@
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+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
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@@ -4758,7 +4850,8 @@
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@@ -4809,7 +4902,8 @@
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@@ -4824,6 +4918,7 @@
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@@ -4840,6 +4936,7 @@
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@@ -4848,7 +4945,8 @@
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@@ -4865,12 +4963,14 @@
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@@ -4878,22 +4978,26 @@
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@@ -5242,12 +5361,14 @@
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@@ -5360,7 +5484,8 @@
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+        "inherits": "~2.0.0",
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+        "console-control-strings": "^1.0.0",
+        "has-unicode": "^2.0.0",
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+        "string-width": "^1.0.1",
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+          "dev": true,
+          "requires": {
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