Add gitpod support (fixes rust-lang#604) (rust-lang#616)

Author: khan-asfi-reza

.gitpod.Dockerfile

@@ -0,0 +1,7 @@
+FROM gitpod/workspace-rust:2023-11-16-11-19-36
+
+USER gitpod
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+
+RUN rustup default stable

.gitpod.yml

@@ -0,0 +1,9 @@
+image:
+  file: .gitpod.Dockerfile
+
+tasks:
+    - init: cargo build
+
+vscode:
+  extensions:
+    - rust-lang.rust-analyzer

README.md

@@ -5,6 +5,9 @@
 <h1><a href="https://github.com/TheAlgorithms/">The Algorithms</a> - Rust</h1>
 
 <!-- Labels: -->
+<a href="https://gitpod.io/#https://github.com/TheAlgorithms/Rust">
+    <img src="https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod&style=flat-square" height="20" alt="Gitpod Ready-to-Code">
+</a>
 <a href="https://github.com/TheAlgorithms/Rust/actions/workflows/build.yml">
   <img src="https://github.com/TheAlgorithms/Rust/actions/workflows/build.yml/badge.svg" height="20" alt="Build workflow">
 </a>