Implemented "+" and "-" operators #361

	# This workflow will build a golang project
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go

	name: Go

	on: ["push", "pull_request"]

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: "1.22"

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

	- name: Test
	run: go test -v ./... -coverprofile=coverage.txt

	- name: Upload results to Codecov
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	slug: formancehq/numscript

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