chore: update ancillary files

.github/stale.yml

@@ -12,6 +12,7 @@ exemptLabels:
   - feature:general
   - tutorial:v1
   - tutorial:v2
+  - tutorial:v3
 # Label to use when marking an issue as stale
 staleLabel: wontfix
 # Comment to post when marking an issue as stale. Set to `false` to disable

CONTRIBUTING.md

@@ -15,7 +15,7 @@ Any changes to the code base should not be released using an existing version.
 The commit message should follow the [Bluejava commit message format](https://github.com/bluejava/git-commit-guide).
 The supported scopes are:
 
-- **core** for changes related to Hexo extensions and Icarus-specific functions
+- **core** for changes related to Hexo extensions and theme-specific functions
 - **comment** for comment plugin layout, schema, style, or script changes
 - **share** for share plugin layout, schema, style, or script changes
 - **donate** for donation plugin layout, schema, style, or script changes

LICENSE

@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2015 PPOffice
+Copyright (c) 2020 PPOffice
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal