fix: use current directory in build.sh

Author: sreya

scripts/build.sh

@@ -4,4 +4,4 @@ cd $(dirname "${BASH_SOURCE[0]}")
 set -euxo pipefail
 
 CGO_ENABLED=0 go build -ldflags "-s -w" -o ./coder-xray ../
-docker build -t coder-xray:latest 
+docker build -t coder-xray:latest .