pest: add page (#4929)

pages/common/pest.md

@@ -0,0 +1,24 @@
+# pest
+
+> A PHP testing framework with a focus on simplicity.
+> More information: <https://pestphp.com>.
+
+- Initialise a standard Pest configuration in the current directory:
+
+`pest --init`
+
+- Run tests in the current directory:
+
+`pest`
+
+- Run tests annotated with the given group:
+
+`pest --group {{name}}`
+
+- Run tests and print the coverage report to `stdout`:
+
+`pest --coverage`
+
+- Run tests with coverage and fail if the coverage is less than the minimum percentage:
+
+`pest --coverage --min={{80}}`