Add nginx/httpd/tomcat/sql practice content (#767)

Add practice content for some topics (#752)

Update Apache HTTPD front page title (#735)

HTTPD Content adjustment

Feat: Apache HTTPD logo adjustment (#734)

Feature: Add Snyk topic (init base) (#732)

Fix Kafka logo broken link (#729)

Add Dynatrace capabilities (#712)

Add Cloudflare topic - init (#694)

Update Azure doc (#687)