The "Known issues" note about ZBX_ALIAS tells users to drop extra Alias
config files into /etc/zabbix/zabbix_agent.d, but no agent includes that
directory.
zabbix_agentd.conf includes /etc/zabbix/zabbix_agentd.d/*.conf, and
zabbix_agent2.conf includes /etc/zabbix/zabbix_agentd.d/*.conf as well
(plus /etc/zabbix/zabbix_agent2.d/*.conf). The correct shared directory is
zabbix_agentd.d (note the "d"), which is also created in the image and
documented as a volume earlier in the same README. Files placed under
zabbix_agent.d are silently ignored, so user-provided aliases never load.
Fix the path to zabbix_agentd.d in the agent and agent2 READMEs.
- Fix 'Depcrecated' to 'Deprecated' in server-mysql/README.md
- Fix 'varable' to 'variable' in web-nginx-mysql/README.md (5 occurrences)
- Fix 'Serivce' to 'Service' in web-nginx-mysql/README.md (2 occurrences)
- Fix 'authentification' to 'authentication' in web-nginx-mysql/README.md
- Fix 'containterns' to 'containers' in agent/README.md
