* feat(receiver): implement logo load and show
* feat(receiver): modify main1 for logo
* fix(transimer): correct y for upside down
* refactor(receiver): remove matrix set_up_root
* refactor(receiver): add constants for half of display
* refactor(receiver): world colors getters are in porperties.constants
* chore(gitignore): ignore secrets
* docs(readme): fix wrong place on language
* docs(receiver): add comments for acceleration

Signed-off-by: Nikita Kuprins <nikita.kuprins@gmail.com>