pg_archivecleanup: add page

pages/common/pg_archivecleanup.md

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+# pg_archivecleanup
+
+> Remove old WAL archive files in PostgreSQL.
+> More information: <https://www.postgresql.org/docs/current/pgarchivecleanup.html>.
+
+- Clean an archive directory up to a given WAL file:
+
+`pg_archivecleanup {{path/to/archive}} {{path/to/walfile}}`
+
+- Perform a dry run (list files that would be removed):
+
+`pg_archivecleanup {{[-n|--dry-run]}} {{path/to/archive}} {{path/to/walfile}}`
+
+- Strip a file extension before deciding deletion:
+
+`pg_archivecleanup {{[-x|--strip-extension]}} {{extension}} {{path/to/archive}} {{path/to/walfile}}`
+
+- Remove backup history files too:
+
+`pg_archivecleanup {{[-b|--clean-backup-history]}} {{path/to/archive}} {{path/to/walfile}}`
+
+- Enable debug logging output:
+
+`pg_archivecleanup {{[-d|--debug]}} {{path/to/archive}} {{path/to/walfile}}`