Adds histogram prometheus metrics #321

	on:
	push:
	branches:
	- 'main'
	pull_request:

	jobs:
	lint:
	name: lint
	runs-on: ubuntu-20.04
	steps:
	- name: Cancel Previous Runs
	uses: styfle/cancel-workflow-action@0.4.0
	with:
	access_token: ${{ github.token }}
	- uses: actions/checkout@v2
	- run: \|
	git fetch --prune --unshallow
	- name: Set up Go 1.18
	uses: actions/setup-go@v1
	with:
	go-version: 1.18.10
	- uses: actions/cache@v1
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-
	- name: lint
	run: \|
	go mod tidy
	if [[ $(git status --porcelain --untracked-files=no \| wc -l) -ne 0 ]]; then
	echo "Need to run go mod tidy before committing"
	git diff
	exit 1;
	fi
	test:
	name: test
	runs-on: ubuntu-20.04
	steps:
	- name: Cancel Previous Runs
	uses: styfle/cancel-workflow-action@0.4.0
	with:
	access_token: ${{ github.token }}
	- uses: actions/checkout@v2
	- run: \|
	git fetch --prune --unshallow
	- name: Set up Go 1.18
	uses: actions/setup-go@v1
	with:
	go-version: 1.18.10
	- uses: actions/cache@v1
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-
	- name: build
	run: \|
	go build ./bee/main.go
	- name: test
	run: \|
	go test ./...

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