try using set path instead of copying dll

Author: emizzle

Makefile

@@ -38,8 +38,7 @@ build:
 
 run:
 ifeq ($(OS),Windows_NT)
-	pwsh -Command "Copy-Item libs\libcodex.dll ."
-	pwsh -Command ".\$(BIN_NAME)"
+	pwsh -Command "$$env:PATH = '$(CURDIR)\libs;' + $$env:PATH ; .\$(BIN_NAME)"
 else
 	./$(BIN_NAME)
 endif