feat: Added rust devcontainer

rust/devcontainer.json

@@ -0,0 +1,24 @@
+{
+    "name": "metfetch",
+    "image": "git.luke-else.co.uk/luke-else/rust-dev:latest",
+    "remoteUser": "dev",
+    "customizations": {
+        "vscode": {
+            "settings": {
+                "editor.formatOnSave": true,
+                "[rust]": {
+                    "editor.defaultFormatter": "rust-lang.rust-analyzer"
+                },
+                "rust-analyzer.cargo.runBuildScripts": true
+            },
+            "extensions": [
+                "ms-azuretools.vscode-docker",
+                "rust-lang.rust-analyzer",
+                "tamasfe.even-better-toml",
+                "vadimcn.vscode-lldb",
+                "dustypomerleau.rust-syntax"
+            ]
+        }
+    },
+    "postCreateCommand": "cargo fetch"
+}