prettier: add page (#6192)

pages/common/prettier.md

@@ -0,0 +1,24 @@
+# prettier
+
+> An opinionated code formatter for JavaScript, JSON, CSS, YAML, and more.
+> More information: <https://prettier.io/>.
+
+- Format a file and print the result to stdout:
+
+`prettier {{path/to/file}}`
+
+- Check if a specific file has been formatted:
+
+`prettier --check {{path/to/file}}`
+
+- Run with a specific configuration file:
+
+`prettier --config {{path/to/config_file}} {{path/to/file}}`
+
+- Format a file or directory, replacing the original:
+
+`prettier --write {{path/to/file_or_directory}}`
+
+- Format files or directories recursively using single quotes and no trailing commas:
+
+`prettier --single-quote --trailing-comma {{none}} --write {{path/to/file_or_directory}}`