chore(tooling): add makefile and fixed go module path

.gitignore

@@ -0,0 +1 @@
+ods

GNUmakefile

@@ -0,0 +1,56 @@
+SHELL := bash
+.SHELLFLAGS := -eu -o pipefail -c
+.ONESHELL:
+.DELETE_ON_ERROR:
+MAKEFLAGS += --warn-undefined-variables
+MAKEFLAGS += --no-builtin-rules
+.DEFAULT_GOAL := help
+OUTDIR := "."
+
+CONTAINER_REGISTRY ?= localhost
+CONTAINER_TAG ?= latest
+
+##### Utils ####################################################################
+.PHONY: confirm
+confirm:
+	@echo -n 'Are you sure? [y/N] ' && read ans && [ $${ans:-N} = y ]
+
+.PHONY: help
+help:
+	@grep -E '^[a-zA-Z\/_-]+:.*?## .*$$' $(MAKEFILE_LIST) \
+	| awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}' \
+	| sort
+
+.PHONY: no-dirty
+no-dirty:
+	git diff --exit-code
+
+##### Quality ##################################################################
+.PHONY: check
+check: ## run all code checks
+	go mod verify
+	go vet ./...
+
+.PHONY: tidy
+tidy: ## tidy up the code
+	go fmt ./...
+	go mod tidy -v
+
+##### Development ##############################################################
+.PHONY: build
+build: ## build the code
+	CGO_ENABLED=0 go build -o $(OUTDIR)/ods ./
+
+.PHONY: run
+run: ## run the code
+	go run ./
+
+##### Operations ###############################################################
+.PHONY: push
+push: tidy no-dirty check ## push changes to git remote
+	git push git master
+
+.PHONY: deploy
+deploy: check build ## deploy changes to the production server
+	rsync -a --delete $(OUTDIR)/ods root@ods.adyxax.org:/srv/ods/
+	ssh root@ods.adyxax.org "systemctl restart ods"

go.mod

@@ -1,4 +1,4 @@
-module git.adyxax.org/adyxax/ods/v2
+module git.adyxax.org/adyxax/ods
 
 go 1.23.0