Update build

examples/build

@@ -2,16 +2,20 @@
 
 set -e
 
-pushd ../compiler
+SCRIPT_DIR=$(dirname "$0")
+
+pushd $SCRIPT_DIR
+    pushd ../compiler
         dotnet build -c Release
-popd
+    popd
 
-pushd core
+    pushd core
         time ../../compiler/bin/Release/net9.0/Compiler sys.nub print.nub --type=lib
-popd
+    popd
 
-pushd program
+    pushd program
         time ../../compiler/bin/Release/net9.0/Compiler main.nub ../core/.build/out.nublib
-popd
+    popd
 
-./program/.build/out
+    ./program/.build/out
+popd