refactor: normalize Angular and Angular.js sections/resources (#5525)

* chore: improve angular / angular.js listings

- Wellnaming section
- fix book title, add format, add creators as is seen in file

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Wellnaming section
- fix book title, add format, add creators as is seen in file

via EbookFoundation#4940

* chore: improve angular / angular.js listings

- Wellnaming sections (typescript>angular, javascript>angularjs)
- Add free resources to complete listing with at least 2 items, mainly from html.it website.
- fix titles, add format, add creators as is seen in linked files

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Move Angular resources from Angular.js to TypeScript
- Add more resources to avoid single sections

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Sections (typescript>angular, javascript>angularjs)
- Add free resources to complete listing with at least 2 items.
- fix titles, add format, add creators as is seen in linked files

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Move Angular resources to TypeScript
- Well-naming sections
- fix book title, add format, add creators as is seen in files

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Move Angular resources from Angular.js to TypeScript
- Add more resources to avoid single sections
- Complete notes, titles, format, authors

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Well-naming section
- Complete notes, titles, format, authors

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Handle both as anchor. angular and angular.js

via EbookFoundation/free-programming-books#4940

* chore: improve angular / angular.js listings

- Add http://plnkr.co as valid playground for both
- Add https://stackblitz.com as valid playground for both

via EbookFoundation/free-programming-books#4940

* chore: Angular.js > AngularJS and other pitfails

- Use AngularJS as title/name
- Fix some errors with heading levels in Javascript/Typescript section
- Finish to move some resources accoding their content

via EbookFoundation/free-programming-books#4940

* feature: sections crosslinks as blockquotes

* feature: sections crosslinks as blockquotes

Mainly for AngularJS/Angular, Javascript/Typescript,
web, databases listing sections

* chore: revert scoping crosslinks only to Angular

books/free-programming-books-ja.md

@@ -42,7 +42,7 @@
 * [iOS](#ios)
 * [Java](#java)
 * [JavaScript](#javascript)
-  * [Angular.js](#angularjs)
+  * [AngularJS](#angularjs)
   * [Backbone.js](#backbonejs)
   * [jQuery](#jquery)
   * [Node.js](#nodejs)
@@ -78,6 +78,7 @@
 * [Swift](#swift)
 * [Tcl/Tk](#tcltk)
 * [TypeScript](#typescript)
+  * [Angular](#angular)
 * [VBA](#vba)
 * [Vim](#vim)
 
@@ -405,12 +406,13 @@
 * [中上級者になるためのJavaScript](https://kenju.gitbooks.io/js_step-up-to-intermediate/) - Kenju
 
 
-#### Angular.js
+#### AngularJS
+
+> :information_source: See also … [Angular](#angular)
 
-* [Angular Docs](https://angular.jp/docs)
 * [AngularJS 1.2 日本語リファレンス](http://js.studio-kingdom.com/angularjs) - @tomof(翻訳)
 * [AngularJS's tutorial - あなたとともにAngularJS](http://lab.hisasann.com/AngularJSTutorial/) - @hisasann
-* [AngularJSスタイルガイド](https://github.com/mgechev/angularjs-style-guide/blob/master/README-ja-jp.md)
+* [AngularJSスタイルガイド](https://github.com/mgechev/angularjs-style-guide/blob/master/README-ja-jp.md) - Minko Gechev, Morita Naoki, Yohei Sugigami et al.
 * [すぐできる AngularJS](http://8th713.github.io/LearnAngularJS) - @8th713
 
 
@@ -679,6 +681,14 @@
 * [TypeScriptの為のクリーンコード](https://msakamaki.github.io/clean-code-typescript/) - labs42io, 酒巻 瑞穂(翻訳)
 
 
+#### Angular
+
+> :information_source: See also … [AngularJS](#angularjs)
+
+* [Angular Docs](https://angular.jp/docs)
+* [Angular Tutorial](https://angular.jp/tutorial)
+
+
 ### VBA
 
 * [Excel 2013 で学ぶ Visual Basic for Applications (VBA)](https://brain.cc.kogakuin.ac.jp/~kanamaru/lecture/vba2013/) - 金丸隆志