chore(deps): Bump kind-of from 6.0.2 to 6.0.3 in /demo/frontend (#686)

Bumps [kind-of](https://github.com/jonschlinkert/kind-of) from 6.0.2 to
6.0.3.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/jonschlinkert/kind-of/blob/master/CHANGELOG.md">kind-of's
changelog</a>.</em></p>
<blockquote>
<h2>[6.0.3] - 2020-01-16</h2>
<ul>
<li>Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/31">#31</a>
for issue <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/30">#30</a></li>
</ul>
<h2>[6.0.0] - 2017-10-13</h2>
<ul>
<li>refactor code to be more performant</li>
<li>refactor benchmarks</li>
</ul>
<h2>[5.1.0] - 2017-10-13</h2>
<p><strong>Added</strong></p>
<ul>
<li>Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/15">#15</a>
from aretecode/patch-1</li>
<li>adds support and tests for string &amp; array iterators</li>
</ul>
<p><strong>Changed</strong></p>
<ul>
<li>updates benchmarks</li>
</ul>
<h2>[5.0.2] - 2017-08-02</h2>
<ul>
<li>Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/14">#14</a>
from struct78/master</li>
<li>Added <code>undefined</code> check</li>
</ul>
<h2>[5.0.0] - 2017-06-21</h2>
<ul>
<li>Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/12">#12</a>
from aretecode/iterator</li>
<li>Set Iterator + Map Iterator</li>
<li>streamline <code>isbuffer</code>, minor edits</li>
</ul>
<h2>[4.0.0] - 2017-05-19</h2>
<ul>
<li>Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/8">#8</a>
from tunnckoCore/master</li>
<li>update deps</li>
</ul>
<h2>[3.2.2] - 2017-05-16</h2>
<ul>
<li>fix version</li>
</ul>
<h2>[3.2.1] - 2017-05-16</h2>
<ul>
<li>add browserify</li>
</ul>
<h2>[3.2.0] - 2017-04-25</h2>
<ul>
<li>Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/10">#10</a>
from ksheedlo/unrequire-buffer</li>
<li>add <code>promise</code> support and tests</li>
<li>Remove unnecessary <code>Buffer</code> check</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="abab085d65"><code>abab085</code></a>
6.0.3</li>
<li><a
href="a18459cd92"><code>a18459c</code></a>
run verb to generate README documentation</li>
<li><a
href="dc6bea5c4e"><code>dc6bea5</code></a>
only need to check <code>typeof val.constructor</code></li>
<li><a
href="1df992ce6d"><code>1df992c</code></a>
Merge pull request <a
href="https://redirect.github.com/jonschlinkert/kind-of/issues/31">#31</a>
from xiaofen9/master</li>
<li><a
href="975c13a7cf"><code>975c13a</code></a>
fix type checking vul in ctorName</li>
<li><a
href="4da96c0047"><code>4da96c0</code></a>
Delete FUNDING.yml</li>
<li><a
href="28266f233a"><code>28266f2</code></a>
Create FUNDING.yml</li>
<li>See full diff in <a
href="https://github.com/jonschlinkert/kind-of/compare/6.0.2...6.0.3">compare
view</a></li>
</ul>
</details>
<details>
<summary>Maintainer changes</summary>
<p>This version was pushed to npm by <a
href="https://www.npmjs.com/~doowb">doowb</a>, a new releaser for
kind-of since your current version.</p>
</details>
<br />


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demo/frontend/package-lock.json

@@ -3386,8 +3386,9 @@
       "license": "ISC"
     },
     "node_modules/kind-of": {
-      "version": "6.0.2",
-      "license": "MIT",
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.3.tgz",
+      "integrity": "sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==",
       "engines": {
         "node": ">=0.10.0"
       }