更新gitignore

.gitignore

@@ -1,12 +1,4 @@
 /.idea
-/tool/asymmetric/private.pem
+/dist/
-/tool/asymmetric/public.pem
+/main.spec
-/tool/public.pem
+/build/
-/tool/private.pem
-/private.pem
-/public.pem
-/sender/private.pem
-/recv/private.pem
-/recv/public.pem
-/sender/public.pem
-/recv/交给你了