feat: initial commit for media tracking software

- Setup C++/Qt6 desktop application structure
- Added initial Go proxy backend for TMDB/IGDB integration

server/Dockerfile

@@ -0,0 +1,14 @@
+# --- build stage ---
+FROM golang:1.22-alpine AS build
+WORKDIR /src
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux go build -trimpath -ldflags="-s -w" -o /umt-tmdb-proxy .
+
+# --- run stage ---
+FROM gcr.io/distroless/static-debian12
+COPY --from=build /umt-tmdb-proxy /umt-tmdb-proxy
+EXPOSE 8080
+USER nonroot:nonroot
+ENTRYPOINT ["/umt-tmdb-proxy"]