Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/Dockerfile.api

@@ -0,0 +1,25 @@
+FROM golang:1.21-alpine AS builder
+
+WORKDIR /app
+
+# Copy go mod files
+COPY go.mod go.sum ./
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build API server
+WORKDIR /app/api/rest
+RUN CGO_ENABLED=0 GOOS=linux go build -o api .
+
+FROM alpine:latest
+
+RUN apk --no-cache add ca-certificates
+
+WORKDIR /root/
+
+COPY --from=builder /app/api/rest/api .
+
+CMD ["./api"]
+