chore: add indonesian books and courses (#9827)

* chore: add indonesian books and courses

* fix: remove trailing slash

* 217:3-217:51  warning  Remove trailing slash (https://belajar-rust.vercel.app)              no-url-trailing-slash  remark-lint
* 218:3-218:73  warning  Remove trailing slash (https://dasarpemrogramanrust.novalagung.com)  no-url-trailing-slash  remark-lint

books/free-programming-books-id.md

@@ -25,6 +25,7 @@
 * [Pemrograman Kompetitif](#pemrograman-kompetitif)
 * [PHP](#php)
 * [Python](#python)
+* [Rust](#rust)
 * [Solidity](#solidity)
 
 
@@ -211,6 +212,13 @@
 * [Workshop Python 101](http://sakti.github.io/python101/)
 
 
+### Rust
+
+* [Belajar Rust](https://belajar-rust.vercel.app) - evilfactorylabs
+* [Dasar Pemrograman Rust](https://dasarpemrogramanrust.novalagung.com) - Noval Agung Prayogo
+* [Easy Rust Indonesia](https://github.com/ariandy/easy-rust-indonesia) - ariandy
+
+
 ### Solidity
 
 * [Smart Contract Blockchain pada E-Voting](https://www.researchgate.net/publication/337961765_Smart_Contract_Blockchain_pada_E-Voting) - Ajib Susanto (HTML, PDF)

courses/free-courses-id.md

@@ -37,6 +37,7 @@
     * [Flask](#flask)
     * [PyTorch](#pytorch)
 * [Redis](#redis)
+* [Rust](#rust)
 * [SASS / SCSS](#sass--scss)
 * [Solidity](#solidity)
 * [Terraform](#terraform)
@@ -400,6 +401,11 @@
 * [Belajar Redis](https://www.youtube.com/playlist?list=PL-CtdCApEFH-7hBhz1Q-4rKIQntJoBNX3) - Eko Kurniawan Khannedy, Programmer Zaman Now
 
 
+### Rust
+
+* [Belajar Rust](https://www.youtube.com/playlist?list=PLIfsrcorUur10nUSHVq9Mb4yWu87_5lZn) - Dev Activity
+
+
 ### SASS / SCSS
 
 * [Belajar Menggunakan SASS](https://youtube.com/playlist?list=PLRKMmwY3-5Mxzx31JO3V9JJ8GLdUXYqt0) - Irsyad A. Panjaitan (Parsinta)