[elpa] externals/logos updated (33813a2fa6 -> 273464accc)

[ELPA Syncer]

elpasync pushed a change to branch externals/logos.

      from  33813a2fa6 Update copyright years
       new  edd7628c2b Add link to video demo in the manual
       new  58e6b38384 Add README.md to make it easier for all Git forges
       new  273464accc Tweak format of the manual's front matter


Summary of changes:
 README.md  | 20 ++++++++++++++++++++
 README.org | 47 +++++++++++++++++++++--------------------------
 2 files changed, 41 insertions(+), 26 deletions(-)
 create mode 100644 README.md