chore: add project scaffolding and build tooling

Go module, makefile (build, test, docker, e2e targets), version embedding, initialize script, vars template, ignores and the project plan.

version.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright (C) 2026 Bryan Joshua Pedini
+
+if [ -z "${APP_VERSION}" ]; then
+  read -p "Version [latest]: " VERSIONINPUT
+  if [ -z "${VERSIONINPUT}" ]; then
+    APP_VERSION="latest"
+  else
+    APP_VERSION=${VERSIONINPUT}
+  fi
+fi
+
+# Get docker push option from user
+if [ -z "${DOCKERPUSH}" ]; then
+  read -p "Docker push? [n]: " DOCKERPUSH
+  if [ -z "${DOCKERPUSH}" ]; then
+    DOCKERPUSH=n
+  fi
+fi
+
+# Create version tag (if provided)
+if [ ! -z "${VERSIONINPUT}" ]; then
+  git tag "${APP_VERSION}"
+fi
+
+# Build the app
+export APP_VERSION
+make docker
+# If wanted, push the docker image
+if [ "${DOCKERPUSH}" = "y" ]; then
+  make dockerpush
+fi