add more comments, clean up module

cmd/go.mod

@@ -1,7 +0,0 @@
-module main
-
-go 1.16
-
-require (
-    git.nxdomain.nl/mattijs/pathway v0.1.1
-)

cmd/main.go

@@ -1,48 +0,0 @@
-package main
-
-import (
-	"log"
-	"net/http"
-
-	"git.nxdomain.nl/mattijs/pathway"
-)
-
-var (
-	// variables to set during build-time
-	debugging = ""
-	version   = "0.0-undefined"
-	buildtime = "0000-00-00T00:00:00+0000"
-)
-
-func okHandler(w http.ResponseWriter, r *http.Request) {
-	w.WriteHeader(http.StatusOK)
-	w.Write([]byte("ok"))
-}
-
-func emptyHandler(w http.ResponseWriter, r *http.Request) {
-	w.WriteHeader(http.StatusOK)
-}
-
-func main() {
-	info("pathway version:%s buildtime:%s", version, buildtime)
-
-	http.HandleFunc("/health", okHandler)
-	http.HandleFunc("/favicon.ico", emptyHandler)
-	http.HandleFunc("/robots.txt", emptyHandler)
-	http.HandleFunc("/", pathway.pathHandler)
-
-	err := http.ListenAndServe(":8080", nil)
-	if err != nil {
-		info("%s", err.Error())
-	}
-}
-
-func info(msg string, args ...interface{}) {
-	log.Printf("INFO | "+msg, args...)
-}
-
-func debug(msg string, args ...interface{}) {
-	if len(debugging) > 0 {
-		log.Printf("DEBUG | "+msg, args...)
-	}
-}