Crypto trading bot: engine, brokers, backtester, dashboard, deploy

FastAPI backend with a single-strategy async engine, paper and Binance
brokers, pure-python indicators, a backtester that shares the engine's
portfolio math, and a Vue dashboard with a live WebSocket feed. Adds the
Gitea Actions CI/CD workflow that deploys to Traefik via docker_default.

frontend/package.json

@@ -0,0 +1,26 @@
+{
+  "name": "crypto-trading-frontend",
+  "private": true,
+  "version": "0.1.0",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview",
+    "test": "vitest run"
+  },
+  "dependencies": {
+    "axios": "^1.7.9",
+    "vue": "^3.5.13"
+  },
+  "devDependencies": {
+    "@vitejs/plugin-vue": "^5.2.1",
+    "@vue/test-utils": "^2.4.6",
+    "autoprefixer": "^10.4.20",
+    "jsdom": "^25.0.1",
+    "postcss": "^8.4.49",
+    "tailwindcss": "^3.4.17",
+    "vite": "^6.0.7",
+    "vitest": "^2.1.9"
+  }
+}