write ros time to message indexes, clarify docstrings #19

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	lint:
	runs-on: ubuntu-20.04
	steps:
	- name: install go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	- name: install golangci-lint
	run:
	go install github.com/golangci/golangci-lint/cmd/[email protected]
	- name: checkout code
	uses: actions/checkout@v3
	- name: lint code
	run: make lint
	test:
	runs-on: ubuntu-20.04
	steps:
	- name: install go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x
	- name: checkout code
	uses: actions/checkout@v3
	- name: run tests
	run: make test

Provide feedback