-x, -f, env vars, prepping for hashing

build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# PWGen
+## Linux
+go build -o pwgen cmd/pwgen/*.go
+## Windows
+env GOOS=windows go build -tags forceposix -o PWGen.exe cmd/pwgen/*.go
+## macOS - x86_64
+env GOOS=darwin go build -o pwgen_macos_x86_64.bin cmd/pwgen/*.go
+## macOS - ARM (M1)
+env GOOS=darwin GOARCH=arm64 go build -o pwgen_macos_m1.bin cmd/pwgen/*.go
+
+# PWVerify (WIP)