show a label's memory address range as an inlay hint

Display an inlay hint next to labels showing `ca65`'s allocated memory addresses for them

Exact format of the hint yet to be determined

Example:
lda #COL_BLUE `$ea`
sta #PPU_DATA `$2007`
(`$ea` and `$2007` are the inlay hints; they are shown by the editor but not actual code in the file)