Add codespaces/devcontainer config files (#1800)

* Add devcontainer config files for codespaces and vscode

* add cspell extension to vscode

* pr feedback and exclude oncreate from cspell

* yet more cspell exclusions

.devcontainer/devcontainer.json

@@ -0,0 +1,23 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/rust
+{
+  "name": "Azure SDK for Rust",
+  "image": "mcr.microsoft.com/devcontainers/rust:1-1-bullseye",
+  "onCreateCommand": ".devcontainer/oncreate",
+  "features": {
+    "ghcr.io/devcontainers/features/azure-cli:1": {},
+    "ghcr.io/devcontainers/features/github-cli:1": {},
+    "ghcr.io/devcontainers/features/sshd:1": {}
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "tamasfe.even-better-toml",
+        "editorconfig.editorconfig",
+        "rust-lang.rust-analyzer",
+        "streetsidesoftware.code-spell-checker",
+        "vadimcn.vscode-lldb"
+      ]
+    }
+  }
+}

.devcontainer/oncreate

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+echo "Running Azure SDK for Rust devcontainer post create script..."
+
+echo "Updating toolchains..."
+rustup show

.github/dependabot.yml

@@ -0,0 +1,12 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly

.vscode/cspell.json

@@ -5,8 +5,12 @@
   "ignorePaths": [
     "**/test-resources.bicep",
     "**/test-resources.json",
-    ".vscode/cspell.json",
+    ".devcontainer/devcontainer.json",
+    ".devcontainer/oncreate",
     ".github/CODEOWNERS",
+    ".github/dependabot.yml",
+    ".vscode/cspell.json",
+    ".vscode/extensions.json",
     "NOTICE.txt",
     "eng/",
     "*.dict.txt",

.vscode/extensions.json

@@ -2,6 +2,8 @@
   "recommendations": [
     "tamasfe.even-better-toml",
     "editorconfig.editorconfig",
-    "rust-lang.rust-analyzer"
+    "rust-lang.rust-analyzer",
+    "streetsidesoftware.code-spell-checker",
+    "vadimcn.vscode-lldb"
   ]
 }