chore: Fix npm binary linking

Closes #161

I am not 100% sure this will fix the issue but it does resolve an issue
with not working npm binaries

Author: dmtrKovalenko

.gitignore

@@ -14,4 +14,3 @@ playwright-report/
 *.log
 __screenshots__/
 test-results/
-npm_packages/odiff-bin/bin/odiff.exe

npm_packages/odiff-bin/bin/odiff.exe

@@ -0,0 +1,9 @@
+#!/usr/bin/env node
+
+console.error(
+  "Error: odiff binary has not been installed correctly.\n" +
+  "The postinstall script needs to run to copy the platform-specific binary.\n\n" +
+  "Please run:\n" +
+  "  npm rebuild odiff-bin\n"
+);
+process.exit(1);