message: rage: Add translation terms for "age" and "rage"
diff: ### Localization for strings in the rage CLI tools
  +-age = age
  +-rage = rage
  +
  ## CLI flags
  -flag-armor = -a/--armor
  @@ -37,12 +40,12 @@ rage-usage =
  {-input} defaults to standard input, and {-output} defaults to standard output.
  {-recipient} can be:
  - - An age public key, as generated by {$keygen_name} ("age1...").
  + - An {-age} public key, as generated by {$keygen_name} ("age1...").
  - An SSH public key ("ssh-ed25519 AAAA...", "ssh-rsa AAAA...").
  - - A path or HTTPS URL to a file containing age recipients, one per line
  + - A path or HTTPS URL to a file containing {-age} recipients, one per line
  (ignoring "#" prefixed comments and empty lines).
  - {-identity} is a path to a file with age identities, one per line
  + {-identity} is a path to a file with {-age} identities, one per line
  (ignoring "#" prefixed comments and empty lines), or to an SSH key file.
  Multiple identities may be provided, and any unused ones will be ignored.
  @@ -70,7 +73,7 @@ err-failed-to-open-output = Failed to open output: {$err}
  err-failed-to-write-output = Failed to write to output: {$err}
  err-passphrase-timed-out = Timed out waiting for passphrase input.
  -err-ux-A = Did rage not do what you expected? Could an error be more useful?
  +err-ux-A = Did {-rage} not do what you expected? Could an error be more useful?
  err-ux-B = Tell us
  # Put (len(A) - len(B) - 32) spaces here.
  err-ux-C = {" "}
  @@ -134,4 +137,4 @@ err-mnt-unknown-type = Unknown filesystem type "{$fs_type}"
  unstable-aliases = Aliases are unstable.
  unstable-github = GitHub lookups are unstable, ignoring recipient.
  -test-unstable = To test this, build rage with {-flag-unstable}.
  +test-unstable = To test this, build {-rage} with {-flag-unstable}.
  