ci(gitlab): add GitLab CI pipeline for Rust build and test on master

Author: ProDeSquare

.gitlab-ci.yml

@@ -0,0 +1,16 @@
+image: rustlang/rust:latest
+
+pipelines:
+  branches:
+    master:
+      - step:
+          name: Build and Test
+          script:
+            - cargo build --verbose
+            - cargo test --verbose
+          services:
+            - docker
+definitions:
+  services:
+    docker:
+      memory: 3072