Add cmake

Dockerfile

@@ -3,6 +3,10 @@ MAINTAINER elois <c@elo.tf>
 LABEL version="1.47.0"
 LABEL description="CI for Rust projects"
 
+# Add cmake
+RUN apt-get update; \
+   apt-get install -y cmake
+
 # Install fmt and clippy
 RUN rustup component add rustfmt && rustup component add clippy