fprintd-list: add page (#7179)

pages/linux/fprintd-list.md

@@ -0,0 +1,16 @@
+# fprintd-list
+
+> List enrolled fingerprints.
+> More information: <https://manned.org/fprintd-list>.
+
+- List enrolled fingerprints for a specific user:
+
+`fprintd-list {{username}}`
+
+- List enrolled fingerprints for a space-separated list of users:
+
+`fprintd-list {{username1 username2 ...}}`
+
+- Display help:
+
+`fprintd-list`