chore: add a verified Bun devcontainer (#520)

* add devcontainer setup and change default port to 3002

* fix(devcontainer): enforce frozen install

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Co-authored-by: victor <victor@elalemanyo.de>

.devcontainer/devcontainer-lock.json

@@ -0,0 +1,14 @@
+{
+  "features": {
+    "ghcr.io/devcontainers/features/git:1": {
+      "version": "1.3.8",
+      "resolved": "ghcr.io/devcontainers/features/git@sha256:fd75977de13a9979000e0e78baf949adb0ca71d2398995fa22e0a36d7e7e7fe2",
+      "integrity": "sha256:fd75977de13a9979000e0e78baf949adb0ca71d2398995fa22e0a36d7e7e7fe2"
+    },
+    "ghcr.io/devcontainers/features/github-cli:1": {
+      "version": "1.1.0",
+      "resolved": "ghcr.io/devcontainers/features/github-cli@sha256:d22f50b70ed75339b4eed1ba9ecde3a1791f90e88d37936517e3bace0bbad671",
+      "integrity": "sha256:d22f50b70ed75339b4eed1ba9ecde3a1791f90e88d37936517e3bace0bbad671"
+    }
+  }
+}

.devcontainer/devcontainer.json

@@ -0,0 +1,11 @@
+{
+  "name": "Pascal Editor",
+  "image": "oven/bun:1.3.0",
+  "features": {
+    "ghcr.io/devcontainers/features/git:1": {},
+    "ghcr.io/devcontainers/features/github-cli:1": {}
+  },
+  "workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+  "postCreateCommand": "bun install --frozen-lockfile",
+  "forwardPorts": [3002]
+}