Add containerfile for oha

Useful to build and run oha wihtout Rust tooling installed locally.

Dockerfile

@@ -0,0 +1,14 @@
+ARG RUST_VERSION=1.74
+FROM docker.io/library/rust:${RUST_VERSION} AS build
+WORKDIR /app
+COPY . /app
+
+RUN cargo install --path .
+
+# Target image
+FROM registry.fedoraproject.org/fedora-minimal
+USER 65535
+
+COPY --chown=65535:65535 --from=build /usr/local/cargo/bin/oha /bin/oha
+
+ENTRYPOINT ["/bin/oha"]