chore: fix spacings and documentation

---
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
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: na
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: missing_dependencies
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: Witty-31-06

lib/node_modules/@stdlib/stats/strided/dnancumin/docs/repl.txt

@@ -60,7 +60,7 @@
 
 {{alias}}.ndarray( N, x, strideX, offsetX, y, strideY, offsetY )
     Computes the cumulative minimum of double-precision floating-point strided
-    array elements using alternative indexing semantics.
+    array elements using alternative indexing semantics ignoring `NaN` values.
 
     While typed array views mandate a view offset based on the underlying
     buffer, the `offset` parameter supports indexing semantics based on a

lib/node_modules/@stdlib/stats/strided/dnancumin/lib/ndarray.js

@@ -76,7 +76,7 @@ function dnancumin( N, x, strideX, offsetX, y, strideY, offsetY ) {
 		v = x[ ix ];
 
 		if ( isnan( v ) === false ) {
-			if ( flag === false ) { // seeing actual number for first time
+			if ( flag === false ) {
 				flag = true;
 				min = v;
 			} else if ( v < min || ( v === min && isNegativeZero( v ) ) ) {

lib/node_modules/@stdlib/stats/strided/dnancumin/src/main.c

@@ -79,14 +79,14 @@ void API_SUFFIX(stdlib_strided_dnancumin_ndarray)( const CBLAS_INT N, const doub
 
 		if ( !stdlib_base_is_nan( v ) ) {
 			if ( !flag ) {
-				flag  = true;
+				flag = true;
 				min = v;
 			} else if ( v < min || ( v == min && stdlib_base_is_negative_zero( v ) ) ) {
 				min = v;
 			}
 			Y[ iy ] = min;
 		} else if ( flag ) {
-			Y[ iy ]  = min;
+			Y[ iy ] = min;
 		}
 		iy += strideY;
 	}