Add sql course changelog entry

src/data/changelogs/sql-course.md

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+---
+title: "Our first paid course about SQL is live"
+description: 'We just launched our first paid SQL course'
+images:
+  "SQL Course": "https://assets.roadmap.sh/guest/course-environment-87jg8.png"
+  "Course Creator Platform": "https://assets.roadmap.sh/guest/course-creator-platform.png"
+seo:
+  title: 'SQL Course is Live'
+  description: ''
+date: 2025-02-04
+---
+
+After months of work, I am excited to announce our [brand-new SQL course](/courses/sql) designed to help you master SQL with a hands-on, practical approach!
+
+For the past few months, we have been working on building a course platform that would not only help us deliver high-quality educational content but also sustain the development of roadmap.sh. This SQL course is our first step in that direction.
+
+The course has been designed with a focus on practical learning. Each topic is accompanied by hands-on exercises, real-world examples, and an integrated coding environment where you can practice what you learn. The AI integration provides personalized learning assistance, helping you grasp concepts better and faster.
+
+Check out the course at [roadmap.sh/courses/sql](https://roadmap.sh/courses/sql)