feat: dev containers for participants

Author: kindadailybren

.devcontainer/devcontainer.json

@@ -0,0 +1,29 @@
+{
+  "name": "TechTix Monorepo",
+  "image": "mcr.microsoft.com/devcontainers/universal:latest",
+  "features": {
+    "ghcr.io/devcontainers/features/python:1": {
+      "version": "3.8"
+    },
+    "ghcr.io/devcontainers/features/node:1": {
+      "version": "20"
+    }
+  },
+  "postCreateCommand": "npm install --prefix frontend && cd backend && pipenv install --python 3.8 && cd ..",
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "python.defaultInterpreterPath": "/usr/local/python/3.8/bin/python"
+      },
+      "extensions": [
+        "dbaeumer.vscode-eslint",
+        "esbenp.prettier-vscode",
+        "ms-python.python",
+        "ms-python.vscode-pylance",
+        "VisualStudioExptTeam.vscodeintellicode",
+        "amazonwebservices.aws-toolkit-vscode"
+      ]
+    }
+  },
+  "remoteUser": "root"
+}

backend/Pipfile

@@ -0,0 +1,50 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+anyio = "==4.9.0"
+boto3 = "==1.40.11"
+botocore = "==1.40.11"
+certifi = "==2025.7.14"
+cffi = "==1.17.1"
+charset-normalizer = "==3.4.2"
+cryptography = "==45.0.5"
+dnspython = "==2.7.0"
+ecdsa = "==0.19.1"
+email-validator = "==2.2.0"
+et-xmlfile = "==2.0.0"
+fastapi = "==0.96.0"
+fastapi-cloudauth = "==0.4.3"
+idna = "==3.10"
+jmespath = "==1.0.1"
+lambda-decorators = "==0.6.0"
+lambda-warmer-py = "==0.6.0"
+mangum = "==0.15.0"
+numpy = "==1.26.4"
+openpyxl = "==3.1.5"
+pandas = "==2.3.2"
+pillow = "==11.3.0"
+pyasn1 = "==0.6.1"
+pycparser = "==2.22"
+pydantic = "==1.10.22"
+pynamodb = "==6.1.0"
+python-dateutil = "==2.9.0.post0"
+python-jose = "==3.5.0"
+pytz = "==2024.2"
+requests = "==2.32.3"
+rsa = "==4.9.1"
+s3transfer = "==0.13.1"
+six = "==1.17.0"
+sniffio = "==1.3.1"
+starlette = "==0.27.0"
+typing-extensions = "==4.8.0"
+tzdata = "==2025.2"
+ulid = "==1.1"
+urllib3 = "==1.26.20"
+
+[dev-packages]
+
+[requires]
+python_version = "3.14"