Move pages under tldr, lint run.sh, update docs

tldr/id

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# id
+
+> Display current user and group identity.
+> More information: <https://www.gnu.org/software/coreutils/id>.
+
+- Display current user's ID (UID), group ID (GID) and groups to which they belong:
+
+`id`
+
+- Display the current user identity as a number:
+
+`id -u`
+
+- Display the current group identity as a number:
+
+`id -g`
+
+- Display an arbitrary user's ID (UID), group ID (GID) and groups to which they belong:
+
+`id {{username}}`