docs: update examples

---
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: passed
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: na
  - 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: na
  - 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: na
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/ndarray/base/some-by/README.md

@@ -72,10 +72,12 @@ var x = {
     'order': 'row-major'
 };
 
+// Define the success criterion:
 var n = scalar2ndarray( 3, {
     'dtype': 'generic'
 });
 
+// Test elements:
 var out = someBy( [ x, n ], predicate );
 // returns true
 ```
@@ -136,14 +138,17 @@ var x = {
     'order': 'row-major'
 };
 
+// Define the success criterion:
 var n = scalar2ndarray( 6, {
     'dtype': 'generic'
 });
 
+// Create a context object:
 var ctx = {
     'count': 0
 };
 
+// Test elements:
 var out = someBy( [ x, n ], predicate, ctx );
 // returns true