Adds support for VS Code Remote Development (home-assistant#9726)

* Adds support for VS Code Remote Development

* Adds support for VS Code Remote Development

.devcontainer/Dockerfile

@@ -0,0 +1,33 @@
+FROM ruby:2.6
+
+# Avoid warnings by switching to noninteractive
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Use Bash as the default shell
+ENV SHELL=/bin/bash 
+
+# Locale env vars
+ENV \
+    LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8
+
+# Install git, process tools
+RUN apt update \
+    && apt-get install -y --no-install-recommends \
+        ack \
+        git \
+        locales \
+        procps \
+    && echo "en_US UTF-8" > /etc/locale.gen \
+    && locale-gen en_US.UTF-8 \
+    && echo 'export PS1="\\w\$ "' > /root/.bashrc \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install the specific version of bundler we need
+RUN gem install bundler -v 2.0.1
+
+# Switch back to dialog for any ad-hoc use of apt-get
+ENV DEBIAN_FRONTEND=dialog

.devcontainer/devcontainer.json

@@ -0,0 +1,30 @@
+{
+    "name": "home-assistant.io",
+    "dockerFile": "Dockerfile",
+    "appPort": [
+        4000
+    ],
+    "postCreateCommand": "bundle install",
+    "extensions": [
+        "davidanson.vscode-markdownlint",
+        "eamodio.gitlens",
+        "editorconfig.editorconfig",
+        "github.vscode-pull-request-github",
+        "mrmlnc.vscode-scss",
+        "ms-vsliveshare.vsliveshare",
+        "rebornix.Ruby",
+        "streetsidesoftware.code-spell-checker",
+        "yzhang.markdown-all-in-one"
+    ],
+    "settings": {
+        "editor.rulers": [80, 100, 120],
+        "editor.renderWhitespace": "boundary",
+        "errorLens.gutterIconsEnabled": true,
+        "errorLens.addAnnotationTextPrefixes": false,
+        "errorLens.enabledDiagnosticLevels": [
+            "error",
+            "warning"
+        ],
+        "terminal.integrated.shell.linux": "/bin/bash"
+    }
+}

.gitignore

@@ -19,5 +19,8 @@ source/.jekyll-metadata
 /.vs/config/applicationhost.config
 /.vs/slnx.sqlite-journal
 /.vs/VSWorkspaceState.json
-.vscode
+.vscode/*
+!.vscode/cSpell.json
+!.vscode/extensions.json
+!.vscode/tasks.json
 *.suo

.vscode/cSpell.json

@@ -0,0 +1,83 @@
+// cSpell Settings
+// Contains additional words for our project
+{
+    "version": "0.1",
+    "language": "en",
+    "words": [
+        "arest",
+        "automations",
+        "bloomsky",
+        "bluesound",
+        "BTLE",
+        "Denon",
+        "endconfiguration",
+        "endraw",
+        "fitbit",
+        "Flexit",
+        "geizhals",
+        "Harman",
+        "hass",
+        "hass.io",
+        "hassos",
+        "hcitool",
+        "heos",
+        "hikvision",
+        "Homematic",
+        "IBAN",
+        "icloud",
+        "kardon",
+        "macos",
+        "Modbus",
+        "Mosquitto",
+        "nginx",
+        "ohmconnect",
+        "Onkyo",
+        "paulus",
+        "templating",
+        "waqi",
+        "Webhook"
+    ],
+    // flagWords - list of words to be always considered incorrect
+    // This is useful for offensive words and common spelling errors.
+    // For example "hte" should be "the"
+    "flagWords": [
+        "hte",
+        "asssistant"
+    ],
+    "enabledLanguageIds": [
+        "asciidoc",
+        "c",
+        "cpp",
+        "csharp",
+        "css",
+        "dockerfile",
+        "gemfile",
+        "git-commit",
+        "go",
+        "handlebars",
+        "html",
+        "jade",
+        "java",
+        "javascript",
+        "javascriptreact",
+        "json",
+        "jsonc",
+        "latex",
+        "less",
+        "liquid",
+        "markdown",
+        "php",
+        "plaintext",
+        "pug",
+        "python",
+        "restructuredtext",
+        "rust",
+        "scala",
+        "scss",
+        "text",
+        "typescript",
+        "typescriptreact",
+        "yaml",
+        "yml"
+    ]
+}

.vscode/extensions.json

@@ -0,0 +1,8 @@
+{
+    "recommendations": [
+        "davidanson.vscode-markdownlint",
+        "editorconfig.editorconfig",
+        "streetsidesoftware.code-spell-checker",
+        "yzhang.markdown-all-in-one"
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,23 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Generate",
+            "type": "shell",
+            "command": "bundle exec rake generate",
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
+        {
+            "label": "Preview",
+            "type": "shell",
+            "command": "bundle exec rake preview",
+            "group": {
+                "kind": "test",
+                "isDefault": true,
+            }
+        }
+    ]
+}