forever: add page (#1989)

pages/common/forever.md

@@ -0,0 +1,15 @@
+# forever
+
+> Server-side JavaScript application that makes sure Node.js applications run indefinitely (restarts after exit).
+
+- Start running a file forever (as a daemon):
+
+`forever {{script}}`
+
+- List running "forever" processes (along with IDs and other details of "forever" processes):
+
+`forever list`
+
+- Stop a running "forever" process:
+
+`forever stop {{ID|pid|script}}`