Feature/merge 3 0 develop (#298)

* merging 3.0 into develop

* N°5102 - Allow to send emails (eg. notifications) using GSuite SMTP and OAuth
* migration to iTop 3.1

Co-authored-by: Eric Espie <eric.espie@combodo.com>

lib/thenetworg/oauth2-azure/.devcontainer/devcontainer.json

@@ -0,0 +1,29 @@
+// For format details, see https://aka.ms/vscode-remote/devcontainer.json or this file's README at:
+// https://github.com/microsoft/vscode-dev-containers/tree/v0.134.0/containers/php
+{
+    "name": "PHP",
+    "build": {
+        "dockerfile": "Dockerfile",
+        "args": {
+            // Update VARIANT to pick a PHP version: 7, 7.4, 7.3
+            "VARIANT": "7",
+            "INSTALL_NODE": "false",
+            "NODE_VERSION": "lts/*"
+        }
+    },
+    // Set *default* container specific settings.json values on container create.
+    "settings": {
+        "terminal.integrated.shell.linux": "/bin/bash"
+    },
+    // Add the IDs of extensions you want installed when the container is created.
+    "extensions": [
+        "felixfbecker.php-debug",
+        "felixfbecker.php-intellisense"
+    ],
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+    // Use 'postCreateCommand' to run commands after the container is created.
+    // "postCreateCommand": "php -v",
+    // Comment out to connect as root instead.
+    "remoteUser": "vscode"
+}