Add dev containers (#36)

* Create dependabot.yml

Signed-off-by: Ryan Luu <ryan.luu@ryanluu.dev>

* Create devcontainer.json

Signed-off-by: Ryan Luu <ryan.luu@ryanluu.dev>

* Update README.md

Signed-off-by: Ryan Luu <ryan.luu@ryanluu.dev>

---------

Signed-off-by: Ryan Luu <ryan.luu@ryanluu.dev>

.devcontainer/devcontainer.json

@@ -0,0 +1,35 @@
+{
+	"name": "Roblox",
+	"image": "mcr.microsoft.com/devcontainers/base:jammy",
+
+	"features": {
+		"ghcr.io/ryanlua/features/rojo:latest": {
+			"version": "latest",
+			"installAftman": "true"
+		}
+	},
+
+	"forwardPorts": [
+		34872
+	],
+	"portsAttributes": {
+		"34872": {
+			"label": "Rojo",
+			"onAutoForward": "notify"
+		}
+	},
+
+	"postCreateCommand": "aftman install --no-trust-check",
+
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"kampfkarren.selene-vscode",
+				"johnnymorganz.stylua",
+				"johnnymorganz.luau-lsp"
+			]
+		}
+	},
+
+	"remoteUser": "root"
+}

.github/dependabot.yml

@@ -0,0 +1,15 @@
+# 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 all configuration options:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "devcontainers"
+    directory: "/"
+    schedule:
+      interval: weekly

README.md

@@ -11,6 +11,8 @@
 [![license](https://img.shields.io/github/license/RyanLua/Signs?logo=gnu&color=ffb800)](LICENSE.txt)
 [![discord](https://img.shields.io/discord/1162303282002272359?label=discord&logo=discord&color=ffb800&logoColor=white)](https://discord.gg/hYU4rvT7DK)
 
+[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/RyanLua/Signs?quickstart=1)
+
 </div>
 
 ---