Update .gitignore to exclude PPOCRLabel.spec and include .idea directory

Author: GreatV

.github/workflows/release-build.yml

@@ -159,4 +159,4 @@ cython_debug/
 #  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+.idea/