Switch from Travis to GitHub Actions for CI

It's easier for it all to be in one place.

.github/workflows/ci.yaml

@@ -0,0 +1,38 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+# The goal here is to cancel older workflows when a PR is updated (because it's pointless work)
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  generate:
+    name: generate
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Test generation
+        run: |
+          echo "from Default.settings import *" > settings.py
+          ./generate.py

.gitignore

@@ -1,6 +1,7 @@
 *.pyc
 __pycache__
 env
+/.idea/
 
 # ignore mappings and settings files
 /mappings.py

README.md

@@ -1,7 +1,5 @@
 Python FHIR Parser
 ==================
-[![Build Status](https://travis-ci.org/palfrey/fhir-parser.svg?branch=master)](https://travis-ci.org/palfrey/fhir-parser)
-
 A Python FHIR specification parser for model class generation.
 If you've come here because you want _Swift_ or _Python_ classes for FHIR data models, look at our client libraries instead: