Updated README.md, made lambda build null_resource use relative path.

Author: seanturner026

README.md

@@ -16,7 +16,7 @@ Full example(s) leveraging this module is contained in the [examples](https://gi
 
 ```hcl
 module "eventbridge_debug_logger" {
-  source = "git@github.com:seanturner026/terraform-module-eventbridge-debug-logger.git"
+  source = "github.com/seanturner026/terraform-module-eventbridge-debug-logger.git"
 
   name                          = "eventbridge_debug_logger"
   service_name                  = "ec2"

r_null.tf

@@ -33,6 +33,6 @@ resource "null_resource" "lambda_build" {
   }
 
   provisioner "local-exec" {
-    command = "GOOS=linux go build -ldflags '-s -w' -o ${path.module}/lambdas/bin/${each.key} ${path.module}/lambdas/cmd/${each.key}/."
+    command = "GOOS=linux go build -ldflags '-s -w' -o ./${path.module}/lambdas/bin/${each.key} ./${path.module}/lambdas/cmd/${each.key}/."
   }
 }