Implement GitLab CI

.gitlab-ci.yml

@@ -0,0 +1,37 @@
+image: "rust:slim"
+
+stages:
+  - build
+  - test
+  - release
+
+cargo-build:
+  stage: build
+  script:
+    - cargo build
+
+cargo-test:
+  stage: test
+  script:
+    - rustc --version && cargo --version
+    - cargo test --workspace --verbose
+
+clippy-lint:
+  stage: test
+  before_script:
+    - rustup component add clippy
+  script:
+    - cargo clippy
+
+build-release:
+  stage: release
+  script:
+    - cargo build --release
+  artifacts:
+    paths:
+      - target/release/slop-incoming
+      - target/release/slop-outgoing
+      - target/release/slop-well-known
+      - target/release/slop-mastodon-api
+    expire_in: 1 week
+