feat: add dsum* packages to namespace

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
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    status: na
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    status: na
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    status: passed
  - task: lint_javascript_cli
    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: na
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    status: passed
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    status: na
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    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/blas/ext/base/ndarray/lib/index.js

@@ -207,6 +207,42 @@ setReadOnly( ns, 'dsortsh', require( '@stdlib/blas/ext/base/ndarray/dsortsh' ) )
 */
 setReadOnly( ns, 'dsum', require( '@stdlib/blas/ext/base/ndarray/dsum' ) );
 
+/**
+* @name dsumkbn
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/blas/ext/base/ndarray/dsumkbn}
+*/
+setReadOnly( ns, 'dsumkbn', require( '@stdlib/blas/ext/base/ndarray/dsumkbn' ) );
+
+/**
+* @name dsumkbn2
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/blas/ext/base/ndarray/dsumkbn2}
+*/
+setReadOnly( ns, 'dsumkbn2', require( '@stdlib/blas/ext/base/ndarray/dsumkbn2' ) );
+
+/**
+* @name dsumors
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/blas/ext/base/ndarray/dsumors}
+*/
+setReadOnly( ns, 'dsumors', require( '@stdlib/blas/ext/base/ndarray/dsumors' ) );
+
+/**
+* @name dsumpw
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/blas/ext/base/ndarray/dsumpw}
+*/
+setReadOnly( ns, 'dsumpw', require( '@stdlib/blas/ext/base/ndarray/dsumpw' ) );
+
 /**
 * @name gcusum
 * @memberof ns