#20 add prometheus metrics endpoint

vendor/github.com/prometheus/procfs/cpuinfo_s390x.go

vendor/github.com/prometheus/procfs/cpuinfo_x86.go

vendor/github.com/prometheus/procfs/crypto.go

vendor/github.com/prometheus/procfs/doc.go

vendor/github.com/prometheus/procfs/fixtures.ttar

vendor/github.com/prometheus/procfs/fs.go

vendor/github.com/prometheus/procfs/fscache.go

vendor/github.com/prometheus/procfs/internal/fs/fs.go

vendor/github.com/prometheus/procfs/internal/util/parse.go

...or/github.com/prometheus/procfs/internal/util/readfile.go

...github.com/prometheus/procfs/internal/util/sysreadfile.go

...com/prometheus/procfs/internal/util/sysreadfile_compat.go

...github.com/prometheus/procfs/internal/util/valueparser.go

vendor/github.com/prometheus/procfs/ipvs.go

vendor/github.com/prometheus/procfs/kernel_random.go

vendor/github.com/prometheus/procfs/loadavg.go

vendor/github.com/prometheus/procfs/mdstat.go

vendor/github.com/prometheus/procfs/meminfo.go

vendor/github.com/prometheus/procfs/mountinfo.go

vendor/github.com/prometheus/procfs/mountstats.go