assets/img/

Place your images here. Recommended files:

File	Description	Recommended size
`avatar.jpg`	Your profile photo (shown in author sidebar)	400 × 400 px
`header-bg.jpg`	Optional dark banner for the home page header	1920 × 600 px

Tips:

Keep images under 500 KB for fast page loads — use tinypng.com to compress
Use .jpg for photos, .png for screenshots and diagrams
Sanitise any screenshots before uploading — remove IPs, hostnames, internal details