add Dockerfile for ci images

Dockerfile.ci

@@ -0,0 +1,16 @@
+ARG BASE_IMAGE=rust
+FROM $BASE_IMAGE
+
+RUN rustup component add rustfmt clippy
+
+WORKDIR /woodpecker
+
+COPY locales /woodpecker/locales
+COPY macros /woodpecker/macros
+COPY src /woodpecker/src
+COPY vendored /woodpecker/vendored
+COPY Cargo.toml /woodpecker/Cargo.toml
+
+RUN cargo build --features cli --target-dir ~/target/ \
+    && cargo build --features egui,disable_contracts --target-dir ~/target/ \
+    && rm -rf /woodpecker/*