👷 ci(circleci): add CircleCI configuration file

- create .circleci/config.yml for CI/CD pipeline setup
- define parameters for fingerprint, rust version, and flags
- include workflows for commit checks, validation, success, and release
- utilize toolkit orbs for job execution and management

.circleci/config.yml

@@ -0,0 +1,141 @@
+version: 2.1
+
+parameters:
+  fingerprint:
+    type: string
+    default: SHA256:OkxsH8Z6Iim6WDJBaII9eTT9aaO1f3eDc6IpsgYYPVg
+  min-rust-version:
+    type: string
+    default: "1.87"
+  release-flag:
+    type: boolean
+    default: false
+    description: "If true, the release workflow will be executed."
+  success-flag:
+    type: boolean
+    default: false
+    description: "If true, the success pipeline will be executed."
+  validation-flag:
+    type: boolean
+    default: false
+    description: "If true, the validation pipeline will be executed."
+
+orbs:
+  toolkit: jerus-org/circleci-toolkit@2.13.4
+
+executors:
+  rust-env:
+    docker:
+      - image: jerusdp/ci-rust:<<pipeline.parameters.min-rust-version>>
+
+workflows:
+  check_last_commit:
+    when:
+      and:
+        - not:
+            equal: [scheduled_pipeline, << pipeline.trigger_source >>]
+        - not: << pipeline.parameters.success-flag >>
+        - not: << pipeline.parameters.release-flag >>
+        - not: << pipeline.parameters.validation-flag >>
+
+    jobs:
+      - toolkit/choose_pipeline:
+          name: choose pipeline based on committer
+          context: bot-check
+
+  validation:
+    when:
+      and:
+        - not:
+            equal: [scheduled_pipeline, << pipeline.trigger_source >>]
+        - not: << pipeline.parameters.success-flag >>
+        - << pipeline.parameters.validation-flag >>
+        - not: << pipeline.parameters.release-flag >>
+    jobs:
+      - toolkit/label:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+          context: pcu-app
+          filters:
+            branches:
+              only:
+                - main
+      - toolkit/required_builds:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+      - toolkit/optional_builds:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+      - toolkit/test_doc_build:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+      - toolkit/common_tests:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+      - toolkit/idiomatic_rust:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+      - toolkit/security:
+          context: SonarCloud
+      - toolkit/update_prlog:
+          filters:
+            branches:
+              ignore:
+                - main
+          requires:
+            - toolkit/required_builds
+            - toolkit/test_doc_build
+            - toolkit/idiomatic_rust
+            - toolkit/security
+            - toolkit/common_tests
+          context:
+            - release
+            - bot-check
+          ssh_fingerprint: << pipeline.parameters.fingerprint >>
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+          update_pcu: true
+
+  on_success:
+    when:
+      and:
+        - not:
+            equal: [scheduled_pipeline, << pipeline.trigger_source >>]
+        - << pipeline.parameters.success-flag >>
+        - not: << pipeline.parameters.validation-flag >>
+        - not: << pipeline.parameters.release-flag >>
+
+    jobs:
+      - toolkit/end_success
+
+  release:
+    when:
+      and:
+        - or:
+            - and:
+                - equal: [scheduled_pipeline, << pipeline.trigger_source >>]
+                - equal: ["release check", << pipeline.schedule.name >>]
+            - << pipeline.parameters.release-flag >>
+        - not: << pipeline.parameters.success-flag >>
+        - not: << pipeline.parameters.validation-flag >>
+    jobs:
+      - toolkit/save_next_version:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+
+      - toolkit/make_release:
+          requires:
+            - toolkit/save_next_version
+          pre-steps:
+            - attach_workspace:
+                at: /tmp/workspace
+            - run:
+                name: Set SEMVER based on next-version file
+                command: |
+                  set +ex
+                  export SEMVER=$(cat /tmp/workspace/next-version)
+                  echo $SEMVER
+                  echo "export SEMVER=$SEMVER" >> "$BASH_ENV"
+          context:
+            - release
+            - bot-check
+          ssh_fingerprint: << pipeline.parameters.fingerprint >>
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+
+      - toolkit/no_release:
+          min_rust_version: << pipeline.parameters.min-rust-version >>
+          requires:
+            - toolkit/save_next_version:
+                - failed