Add NPM package, debs, rpms and refactor CI/build process

Closes many issues that I'll prune after adding more docs
for users.

ci/build/clean.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+main() {
+  cd "$(dirname "${0}")/../.."
+
+  git clean -Xffd
+  git submodule foreach --recursive git clean -xffd
+  git submodule foreach --recursive git reset --hard
+}
+
+main "$@"