.github/workflows/ci.yml: publish binaries

All kgctl will be published on each new release.
The naming convention is kgctl-<os name>-<architecure>

.github/workflows/release.yaml

@@ -0,0 +1,21 @@
+on:
+  release:
+    types: [created]
+name: Handle Release
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.15.7
+    - name: Make Directory with kgctl Binaries to Be Released
+      run: make release
+    - name: Publish Release
+      uses: skx/github-action-publish-binaries@master
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        args: 'bin/release/kgctl-*'

Makefile

@@ -1,5 +1,5 @@
 export GO111MODULE=on
-.PHONY: push container clean container-name container-latest push-latest fmt lint test unit vendor header generate client deepcopy informer lister openapi manifest manfest-latest manifest-annotate manifest manfest-latest manifest-annotate
+.PHONY: push container clean container-name container-latest push-latest fmt lint test unit vendor header generate client deepcopy informer lister openapi manifest manfest-latest manifest-annotate manifest manfest-latest manifest-annotate release
 
 OS ?= $(shell go env GOOS)
 ARCH ?= $(shell go env GOARCH)
@@ -11,6 +11,8 @@ ifeq ($(OS),linux)
 else
     BINS := bin/$(OS)/$(ARCH)/kgctl
 endif
+RELEASE_BINS := $(addprefix bin/release/kgctl-, $(addprefix linux-, $(ALL_ARCH)) darwin-amd64 windows-amd64)
+CLIENT_BINS := $(addsuffix /kgctl, $(addprefix bin/, $(addprefix linux/, $(ALL_ARCH)) darwin/amd64 windows/amd64))
 PROJECT := kilo
 PKG := github.com/squat/$(PROJECT)
 REGISTRY ?= index.docker.io
@@ -295,6 +297,12 @@ push-latest: container-latest
 push-name:
 	@echo "pushed: $(IMAGE):$(ARCH)-$(VERSION)"
 
+release: $(RELEASE_BINS)
+$(RELEASE_BINS):
+	@make OS=$(word 2,$(subst -, ,$(@F))) ARCH=$(word 3,$(subst -, ,$(@F)))
+	mkdir -p $(@D)
+	cp bin/$(word 2,$(subst -, ,$(@F)))/$(word 3,$(subst -, ,$(@F)))/kgctl $@
+
 clean: container-clean bin-clean
 	rm -rf .cache