pretty-bytes: add page (#5226)

pages/common/pretty-bytes.md

@@ -0,0 +1,16 @@
+# pretty-bytes
+
+> Convert bytes to a human readable string.
+> More information: <https://github.com/sindresorhus/pretty-bytes-cli>.
+
+- Convert numeric bytes value to a human readable string:
+
+`pretty-bytes {{1337}}`
+
+- Convert numeric bytes value from stdin to a human readable string:
+
+`echo {{1337}} | pretty-bytes`
+
+- Display help and usage information:
+
+`pretty-bytes --help`