Function formatSize

formatSize(bytes: number): string
Formats a byte size to human-readable string.
Parameters
- bytes: number
Returns string
Example
```
formatSize(42318)     → "42.3 KB"
```
Example
```
formatSize(1048576)   → "1.0 MB"
```
Example
```
formatSize(500)       → "500 B"
```
Example
```
formatSize(0)        → "0 B"
```
- Defined in utils/hex.ts:223