feat: add array/empty

PR-URL: #983
Closes: #982
Co-authored-by: Athan Reines <kgryte@gmail.com>
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: steff456

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

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+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2023 The Stdlib Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+-->
+
+# empty
+
+> Create an uninitialized array having a specified length.
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- Package usage documentation. -->
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var empty = require( '@stdlib/array/empty' );
+```
+
+#### empty( length\[, dtype] )
+
+Creates an uninitialized array having a specified length.
+
+```javascript
+var arr = empty( 2 );
+// returns <Float64Array>
+```
+
+The function recognizes the following data types:
+
+-   `float64`: double-precision floating-point numbers (IEEE 754)
+-   `float32`: single-precision floating-point numbers (IEEE 754)
+-   `complex128`: double-precision complex floating-point numbers
+-   `complex64`: single-precision complex floating-point numbers
+-   `int32`: 32-bit two's complement signed integers
+-   `uint32`: 32-bit unsigned integers
+-   `int16`: 16-bit two's complement signed integers
+-   `uint16`: 16-bit unsigned integers
+-   `int8`: 8-bit two's complement signed integers
+-   `uint8`: 8-bit unsigned integers
+-   `uint8c`: 8-bit unsigned integers clamped to `0-255`
+-   `generic`: generic JavaScript values
+
+By default, the output array data type is `float64` (i.e., a [typed array][mdn-typed-array]). To specify an alternative data type, provide a `dtype` argument.
+
+```javascript
+var arr = empty( 2, 'int32' );
+// returns <Int32Array>
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+## Notes
+
+-   In browser environments, the function always returns zero-filled arrays.
+-   If `dtype` is `'generic'`, the function always returns a zero-filled array.
+-   In Node.js versions `>=3.0.0`, the underlying memory of returned typed arrays is **not** initialized. Memory contents are unknown and may contain **sensitive** data.
+
+</section>
+
+<!-- /.notes -->
+
+<!-- Package usage examples. -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var dtypes = require( '@stdlib/array/dtypes' );
+var empty = require( '@stdlib/array/empty' );
+
+// Get a list of array data types:
+var dt = dtypes();
+
+// Generate empty arrays...
+var arr;
+var i;
+for ( i = 0; i < dt.length; i++ ) {
+    arr = empty( 4, dt[ i ] );
+    console.log( arr );
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="references">
+
+</section>
+
+<!-- /.references -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="links">
+
+[mdn-typed-array]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray
+
+</section>
+
+<!-- /.links -->