modify folder structure

.docker/Dockerfile_pre_test

@@ -0,0 +1,9 @@
+FROM rust:1.58-buster
+
+RUN apt update
+RUN apt install -y libglib2.0-dev libgtk-3-dev libsoup2.4-dev libappindicator3-dev libwebkit2gtk-4.0-dev firefox-esr
+
+RUN cargo install cargo-make --debug
+RUN cargo install cargo-cache && cargo cache -a
+
+CMD ["echo","\"base image built\""]