fix typo: standard

* Making README more friendly and readable

* Info about multiple secrets

* Information about systemd and Docker

Merge pull request #54 from dfedin/master: Fix for crash on 32-bit system in cpuid code

Workaround for CPUID assembly code in older versions of GCC (<5.0).

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Signed-off-by: Viktor Oreshkin <imselfish@stek29.rocks>

Update README