added stocks app codebase and md

worker-toolkit-stocks-in-the-future/.devcontainer/devcontainer.json

@@ -0,0 +1,22 @@
+{
+  "name": "Raccoon Task Authoring (stocks-in-the-future)",
+  "build": {
+    "dockerfile": "Dockerfile",
+    "args": {
+      "TOOLKIT_BUILD_ID": "1786207714814-x41n97"
+    }
+  },
+  "workspaceMount": "source=${localWorkspaceFolder},target=/workspace,type=bind",
+  "workspaceFolder": "/workspace",
+  "mounts": [
+    "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind",
+    "source=${localWorkspaceFolder},target=${localWorkspaceFolder},type=bind"
+  ],
+  "containerEnv": {
+    "HOST_WORKSPACE": "${localWorkspaceFolder}",
+    "HARBOR_ENV": "docker"
+  },
+  "postCreateCommand": "bash .devcontainer/post-create.sh",
+  "postStartCommand": "test -f .env && echo '.env found' || echo 'WARNING: No .env file. Create one with ANTHROPIC_API_KEY=sk-ant-...'",
+  "customizations": {}
+}