Update cheatsheets

tldr/pg_createsubscriber

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pg_createsubscriber
+
+> Convert a physical replica into a new logical replica.
+> More information: <https://www.postgresql.org/docs/current/app-pgcreatesubscriber.html>.
+
+- Convert a physical replica to a logical replica for a specific database:
+
+`pg_createsubscriber {{[-d|--database]}} {{dbname}} {{[-D|--pgdata]}} {{path/to/data}} {{[-P|--publisher-server]}} {{connstr}}`
+
+- Perform a dry run without modifying the target directory:
+
+`pg_createsubscriber {{[-n|--dry-run]}} {{[-d|--database]}} {{dbname}} {{[-D|--pgdata]}} {{path/to/data}} {{[-P|--publisher-server]}} {{connstr}}`
+
+- Enable two-phase commit for the subscription:
+
+`pg_createsubscriber {{[-T|--enable-two-phase]}} {{[-d|--database]}} {{dbname}} {{[-D|--pgdata]}} {{path/to/data}} {{[-P|--publisher-server]}} {{connstr}}`
+
+- Convert with verbose output:
+
+`pg_createsubscriber {{[-v|--verbose]}} {{[-d|--database]}} {{dbname}} {{[-D|--pgdata]}} {{path/to/data}} {{[-P|--publisher-server]}} {{connstr}}`
+
+- Display help:
+
+`pg_createsubscriber {{[-?|--help]}}`