docs: update namespace table of contents

PR-URL: #1196
Co-authored-by: Planeshifter <pburckhardt@outlook.com>
Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: stdlib-bot

lib/node_modules/@stdlib/array/base/README.md

@@ -104,6 +104,8 @@ The namespace exports the following:
 -   <span class="signature">[`strided2array( N, x, stride, offset )`][@stdlib/array/base/from-strided]</span><span class="delimiter">: </span><span class="description">convert a strided array to a non-strided generic array.</span>
 -   <span class="signature">[`getter( dtype )`][@stdlib/array/base/getter]</span><span class="delimiter">: </span><span class="description">return an accessor function for retrieving an element from an indexed array-like object.</span>
 -   <span class="signature">[`incrspace( start, stop, increment )`][@stdlib/array/base/incrspace]</span><span class="delimiter">: </span><span class="description">generate a linearly spaced numeric array according to a provided increment.</span>
+-   <span class="signature">[`indexOf( x, searchElement, fromIndex, equalNaNs )`][@stdlib/array/base/index-of]</span><span class="delimiter">: </span><span class="description">return the index of the first element which equals a provided search element.</span>
+-   <span class="signature">[`lastIndexOf( x, searchElement, fromIndex, equalNaNs )`][@stdlib/array/base/last-index-of]</span><span class="delimiter">: </span><span class="description">return the index of the last element which equals a provided search element.</span>
 -   <span class="signature">[`last( x )`][@stdlib/array/base/last]</span><span class="delimiter">: </span><span class="description">return the last element of an array-like object.</span>
 -   <span class="signature">[`linspace( start, stop, length )`][@stdlib/array/base/linspace]</span><span class="delimiter">: </span><span class="description">generate a linearly spaced numeric array.</span>
 -   <span class="signature">[`logspace( a, b, length )`][@stdlib/array/base/logspace]</span><span class="delimiter">: </span><span class="description">generate a logarithmically spaced numeric array.</span>
@@ -317,6 +319,10 @@ console.log( objectKeys( ns ) );
 
 [@stdlib/array/base/incrspace]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/incrspace
 
+[@stdlib/array/base/index-of]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/index-of
+
+[@stdlib/array/base/last-index-of]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/last-index-of
+
 [@stdlib/array/base/last]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/last
 
 [@stdlib/array/base/linspace]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/array/base/linspace