refactor(ci): refactor .gitlab-ci to add tests

.gitlab-ci.yml

@@ -1,13 +1,15 @@
+---
+
 stages:
-      - build
+  - build
 
 rust-latest:
-    stage: build
-    artifacts:
-      paths:
-        - target/release/scootaloo
-    image: rust:latest
-    script:
-        - cargo build --release --verbose
-        - strip target/release/${CI_PROJECT_NAME}
-
+  stage: build
+  artifacts:
+    paths:
+      - target/release/scootaloo
+  image: rust:latest
+  script:
+    - cargo test
+    - cargo build --release --verbose
+    - strip target/release/${CI_PROJECT_NAME}