refactor: disallow changing a username #36

	name: CI

	on: push

	jobs:
	build:
	name: Build and test
	runs-on: ubuntu-latest
	env:
	GOPATH: ${{ github.workspace }}
	defaults:
	run:
	working-directory: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}
	steps:
	- uses: actions/checkout@v3
	with:
	path: ${{ env.GOPATH }}/src/github.com/${{ github.repository }}

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.20.x

	- name: Install dependencies
	run: go mod download

	- name: Set up env
	run: cp .env.test .env

	- name: Build
	run: go build -v ./...

	- name: Test
	run: go test -v ./...

Provide feedback