Update cheatsheets

tldr/yadm-transcrypt

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# yadm-transcrypt
+
+> If `transcrypt` is installed, this command allows you to pass options directly to `transcrypt`.
+> With the environment configured to use the yadm repository.
+> Transcrypt enables transparent encryption and decryption of files in a Git repository.
+> More information: <https://github.com/elasticdog/transcrypt>.
+
+- Set the symmetric cipher to utilize for encryption:
+
+`yadm transcrypt --cipher={{cipher}}`
+
+- Pass the password to derive the key from:
+
+`yadm transcrypt --password={{password}}`
+
+- Assume yes and accept defaults for non-specified options:
+
+`yadm transcrypt --yes`
+
+- Display the current repository's cipher and password:
+
+`yadm transcrypt --display`
+
+- Re -encrypt all encrypted files using new credentials:
+
+`yadm transcrypt --rekey`