Refactor routing in App component to enhance navigation and improve error handling by integrating dynamic routes and updating the NotFound route.

node_modules/common-ancestor-path/LICENSE

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+The ISC License
+
+Copyright (c) Isaac Z. Schlueter
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
+IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

node_modules/common-ancestor-path/README.md

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+# common-ancestor-path
+
+Find the common ancestor of 2 or more paths on Windows or Unix
+
+## USAGE
+
+Give it two or more path strings, and it'll do the thing.
+
+```js
+const ancestor = require('common-ancestor-path')
+
+// output /a/b
+console.log(ancestor('/a/b/c/d', '/a/b/x/y/z', '/a/b/c/i/j/k'))
+
+// normalizes separators, but NOT cases, since it matters sometimes
+console.log(ancestor('C:\\a\\b\\c', 'C:\\a\\b\\x'))
+
+// no common ancestor on different windows drive letters
+// so, this returns null
+console.log(ancestor('c:\\a\\b\\c', 'd:\\d\\e\\f'))
+```
+
+## API
+
+`commonAncestorPath(...paths)`
+
+Returns the nearest (deepest) common ancestor path, or `null` if on
+different roots on Windows.

node_modules/common-ancestor-path/index.js

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+const {parse, sep, normalize: norm} = require('path')
+
+function* commonArrayMembers (a, b) {
+  const [l, s] = a.length > b.length ? [a, b] : [b, a]
+  for (const x of s) {
+    if (x === l.shift())
+      yield x
+    else
+      break
+  }
+}
+
+const commonAncestorPath = (a, b) => a === b ? a
+  : parse(a).root !== parse(b).root ? null
+  : [...commonArrayMembers(norm(a).split(sep), norm(b).split(sep))].join(sep)
+
+module.exports = (...paths) => paths.reduce(commonAncestorPath)

node_modules/common-ancestor-path/package.json

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+{
+  "name": "common-ancestor-path",
+  "version": "1.0.1",
+  "files": [
+    "index.js"
+  ],
+  "description": "Find the common ancestor of 2 or more paths on Windows or Unix",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/isaacs/common-ancestor-path"
+  },
+  "author": "Isaac Z. Schlueter <i@izs.me> (https://izs.me)",
+  "license": "ISC",
+  "scripts": {
+    "test": "tap",
+    "snap": "tap",
+    "preversion": "npm test",
+    "postversion": "npm publish",
+    "prepublishOnly": "git push origin --follow-tags"
+  },
+  "tap": {
+    "check-coverage": true
+  },
+  "devDependencies": {
+    "require-inject": "^1.4.4",
+    "tap": "^14.10.7"
+  }
+}