slow5tools-v0.5.0

• improved documentation and instructions for compilation on Apple Silicon
• updates and improvements to realtime-f2s that performs real-time FAST5 to BLOW5 conversion on the sequencer
• 6346341: use correct batch and thread numbers in slow5tools get command(hiruna72)
• dcb560e: slow5tools view fail if more than one input file is given (hiruna72)
• 2863ea2: fast indexing for zlib compressed BLOW5 files (~10X faster than before; see below; thanks @hiruna72 for the benchmark plot)