Merge massalabs#2848

2848: Add Gitpod integration r=damip a=aoudiamoncef

resolves massalabs#2585

Co-authored-by: Moncef AOUDIA <mf.aoudia@gmail.com>

.gitpod.Dockerfile

@@ -0,0 +1,10 @@
+FROM gitpod/workspace-rust
+
+USER gitpod
+
+RUN sudo apt-get -q update \
+    && sudo apt-get install -yq libclang-dev
+
+RUN rustup toolchain install nightly \
+    && rustup default nightly \
+    && rustup component add clippy

.gitpod.yml

@@ -0,0 +1,11 @@
+image:
+  file: .gitpod.Dockerfile
+
+ports:
+  - port: 31244
+  - port: 31245
+  - port: 33034
+  - port: 33035
+
+tasks:
+  - init: cargo build

README.md

@@ -9,6 +9,7 @@ mass adoption.
 [![Coverage Status](https://coveralls.io/repos/github/massalabs/massa/badge.svg?branch=main)](https://coveralls.io/github/massalabs/massa?branch=main)
 [![Docs](https://img.shields.io/static/v1?label=docs&message=massa&color=blue)](https://massalabs.github.io/massa/massa_node/)
 [![OpenRPC Playground](https://img.shields.io/static/v1?label=openrpc-playground&message=massa&color=blue)](https://playground.open-rpc.org/?schemaUrl=https://raw.githubusercontent.com/massalabs/massa/main/docs/technical-doc/openrpc.json)
+[![Open in Gitpod](https://shields.io/badge/Gitpod-contribute-brightgreen?logo=gitpod&style=flat)](https://gitpod.io/#https://github.com/massalabs/massa)
 
 ## Introduction