update readme with new build location

default build instructions now create the binary at ./bin/k3c

Merge pull request #60 from dweomer/netgo-and-cni

netcgo is a no go

Merge pull request #59 from dweomer/daemon/group-flag

daemon: add socket ownership flags

Merge pull request #55 from dweomer/static-build

build: adjust to using netcgo as k3s does

Merge pull request #50 from dweomer/build/mode

build: add back -fno-PIC to extldflags

Merge pull request #47 from dweomer/fix-build-on-arm

build: remove -fno-PIC from extldflags

Merge pull request #46 from dweomer/buildkit/cni-config

buildkit: slave config to values from cri and k3c

Merge pull request #45 from dweomer/list-all-pods

ps: list all containers

Merge pull request #43 from dweomer/arm/v7

for GOARCH=arm set GOARM=7 by default

Merge pull request #41 from dweomer/build/image-sync

build: sync built images from k3c.io to k8s.io