parallel-lint: add page (#3127)

pages/common/parallel-lint.md

@@ -0,0 +1,28 @@
+# parallel-lint
+
+> A tool to check the syntax of PHP files in parallel.
+> More information: <https://github.com/JakubOnderka/PHP-Parallel-Lint>.
+
+- Lint a specific directory:
+
+`parallel-lint {{path/to/directory}}`
+
+- Lint a directory using the specified number of parallel processes:
+
+`parallel-lint -j {{processes}} {{path/to/directory}}`
+
+- Lint a directory, excluding the specified directory:
+
+`parallel-lint --exclude {{path/to/excluded_directory}} {{path/to/directory}}`
+
+- Lint a directory of files using a comma-separated list of extension(s):
+
+`parallel-lint -e {{php,html,phpt}} {{path/to/directory}}`
+
+- Lint a directory and output the results as JSON:
+
+`parallel-lint --json {{path/to/directory}}`
+
+- Lint a directory and show Git Blame results for rows containing errors:
+
+`parallel-lint --blame {{path/to/directory}}`