valet: add page (#3266)

pages/osx/valet.md

@@ -0,0 +1,24 @@
+# valet
+
+> A Laravel development environment that allows hosting sites via local tunnels on `http://<example>.test`.
+> More information: <https://laravel.com/docs/5.8/valet>.
+
+- Start the valet daemon:
+
+`valet start`
+
+- Register the current working directory as a path that Valet should search for sites:
+
+`valet park`
+
+- View 'parked' paths:
+
+`valet paths`
+
+- Serve a single site instead of an entire directory:
+
+`valet link app-name`
+
+- Share a project via an Ngrok tunnel:
+
+`valet share`