Merge branch 'cicd' into 'main'

Added CI/CD

See merge request orestis.malaspin/rust-101!7

.gitlab-ci.yml

+# Official language image. Look for the different tagged releases at:
+# https://hub.docker.com/r/library/rust/tags/
+image: "rust:1.70-alpine3.17"
+# Use cargo to test the project
+test:cargo:
+  script:
+    - rustc --version && cargo --version  # Print version info for debugging
+
+run_test_doc:
+  script:
+    - cd codes
+    - ./run_tests.sh

codes/run_tests.sh

+#!/bin/sh
+
+make -C c_lang/min_list
+cd rust_lang
+for d in *; do
+    echo ==================== Running cargo run for $d  ====================
+    cargo run --manifest-path $d/Cargo.toml
+    echo ==================== Running cargo test for $d ====================
+    cargo test --manifest-path $d/Cargo.toml --workspace --verbose
+    echo ==================== Running cargo doc for $d  ====================
+    cargo doc --manifest-path $d/Cargo.toml
+done