Update npm config and switch default branch to main

* Update config fields for npm
  - Update my email address to `i@fengyj.cn`.
  - Use `init-license`(and others) instead of `init.license`(and others).
    Update above settings config fields to remove warnings.
  More to see:
  - npm/cli#5302
  - https://stackoverflow.com/questions/71914123/warning-in-npm-config-at-latest-version/72113809#72113809

* Update copyright author for LICENSE: Huiyi.FYJ => Feng.YJ.

* Switch the default branch from `master` to `main`, and update related URL links in README file.
  For refer to https://github.blog/changelog/2020-10-01-the-default-branch-for-newly-created-repositories-is-now-main/

* Update copyright year to 2023 in README file.

* Add backup tsinghua TUNA mirror URL for flutter.

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018 Huiyi.FYJ
+Copyright (c) 2018 Feng.YJ
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,14 +1,15 @@
 <img src='https://dotfiles.github.io/images/dotfiles-logo.png' height='40' align='right'/>
 
 # Dotfiles
+
 > 📑 There are my script files and config files for initializing and disposing.
 
-LICENSE: [MIT](https://github.com/huiyifyj/dotfiles/blob/master/LICENSE).
+LICENSE: [MIT](https://github.com/huiyifyj/dotfiles/blob/main/LICENSE).
 
 <br>
 <br>
 <div align=center>
     <sub>
-        &copy; 2020 | <a href="https://huiyifyj.github.io">Feng.YJ</a>
+        &copy; 2023 | <a href="https://huiyifyj.github.io">Feng.YJ</a>
     </sub>
 </div>

home/.profile

@@ -104,6 +104,8 @@ export PATH="$FLUTTER/bin:$PATH"
 # Flutter setting.
 export PUB_HOSTED_URL=https://pub.flutter-io.cn
 export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn
+# export PUB_HOSTED_URL="https://mirrors.tuna.tsinghua.edu.cn/dart-pub"
+# export FLUTTER_STORAGE_BASE_URL="https://mirrors.tuna.tsinghua.edu.cn/flutter"
 
 # Alias command
 # View all active ports

node/.npmrc

@@ -1,9 +1,9 @@
 ; About annotation for .npmrc file to https://github.com/npm/ini
 
 ; default value config when running `npm init`
-init.license=MIT
-init.author.name=Feng.YJ
-init.author.email=jxfengyijie@gmail.com
+init-license=MIT
+init-author-name=Feng.YJ
+init-author-email=i@fengyj.cn
 
 ; Remove prefix, nvm isn't compatible with the npm config "prefix" option
 ; prefix=/home/fyj/node/npm/bin