Format a byte count as a human-readable string.
Examples: formatBytes(0) → "0 B" formatBytes(1023) → "1023 B" formatBytes(1024) → "1.0 KB" formatBytes(1536) → "1.5 KB" formatBytes(1073741824) → "1.0 GB"
Format a byte count as a human-readable string.
Examples: formatBytes(0) → "0 B" formatBytes(1023) → "1023 B" formatBytes(1024) → "1.0 KB" formatBytes(1536) → "1.5 KB" formatBytes(1073741824) → "1.0 GB"