Add GitHub action for CI tests

.github/workflows/CI.yml

@@ -0,0 +1,52 @@
+name: CI
+
+# Trigger the workflow on push or pull request
+on:
+  - push
+  - pull_request
+
+jobs:
+  # The job running the package tests.
+  test:
+    name: ${{ matrix.gap-branch }} ${{ matrix.ABI }}
+    runs-on: ubuntu-latest
+    # Don't run this twice on PRs for branches pushed to the same repository
+    if: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) }}
+    strategy:
+      fail-fast: false
+      matrix:
+        gap-branch:
+          - master
+          - stable-4.11
+          - stable-4.10
+        ABI: ['']
+        include:
+            - gap-branch: master
+              ABI: 32
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gap-actions/setup-gap-for-packages@latest
+        with:
+          GAPBRANCH: ${{ matrix.gap-branch }}
+          GAP_PKGS_TO_BUILD: 'io profiling orb'
+      - uses: gap-actions/run-test-for-packages@latest
+
+  # A job to compile the manual with latex and upload it as an artifact.
+  manual:
+    name: Build manuals
+    runs-on: ubuntu-latest
+    # Don't run this twice on PRs for branches pushed to the same repository
+    if: ${{ !(github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: gap-actions/setup-gap-for-packages@latest
+      - uses: gap-actions/compile-documentation-for-packages@latest
+        with:
+          use-latex: true
+      - name: "Upload documentation"
+        uses: actions/upload-artifact@v1
+        with:
+          name: manual
+          path: ./doc/manual.pdf

README.md

@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.com/gap-packages/cvec.svg?branch=master)](https://travis-ci.com/gap-packages/cvec)
+[![CI](https://github.com/gap-packages/cvec/workflows/CI/badge.svg?branch=master)](https://github.com/gap-packages/cvec/actions?query=workflow%3ACI+branch%3Amaster)
 [![Code Coverage](https://codecov.io/github/gap-packages/cvec/coverage.svg?branch=master&token=)](https://codecov.io/gh/gap-packages/cvec)
 
 # README file for the 'CVEC' GAP4 package