Fix push examples cannot be loaded (Docker only)

Author: louislam

.dockerignore

@@ -32,7 +32,6 @@ tsconfig.json
 /extra/healthcheck.exe
 /extra/healthcheck
 /extra/exe-builder
-/extra/push-examples
 /extra/uptime-kuma-push
 
 # Comment the following line if you want to rebuild the healthcheck binary