Add continuous integration pipeline

Added static analysis (lint, type checking) to be done on each push, and
testing to be done on each master branch commit.

.woodpecker/lint.yml

@@ -0,0 +1,16 @@
+pipeline:
+  lint_ruff:
+    image: python
+    commands:
+      - pip install ruff
+      - python --version && poetry --version && ruff --version
+      - echo "----------------- running ruff lint ------------------"
+      - ruff check .
+
+  lint_black:
+    image: python
+    commands:
+      - pip install black
+      - python --version && poetry --version && black --version
+      - echo "----------------- running black lint ----------------"
+      - black --check .

.woodpecker/static_analysis.yml

@@ -0,0 +1,9 @@
+pipeline:
+  pyright:
+    image: nikolaik/python-nodejs
+    commands:
+      - npm install --global pyright
+      - poetry install
+      - python --version && poetry --version && pyright --version
+      - echo "------------- running pyright typecheck -------------"
+      - poetry run pyright

.woodpecker/test.yml

@@ -0,0 +1,10 @@
+branches: master
+
+pipeline:
+  pytest:
+    image: ghcr.io/withlogicco/poetry:1.5.1
+    commands:
+      - poetry install
+      - python --version && poetry --version
+      - echo "------------- running pytest -------------"
+      - poetry run pytest