Add a test workflow in GH actions

The workflow is currently more limited than the existing one that
used Travis CI and tested various versions of Lua, but at least it
works and will be executed for all pushed commits and pull requests
from now on.

.github/workflows/test-all.yml

@@ -0,0 +1,24 @@
+name: Test features
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  runner-job:
+    runs-on: ubuntu-latest
+    services:
+      nats:
+        image: nats
+        ports:
+          - "4222:4222"
+    steps:
+      - name: Install Luarocks
+        run: sudo apt-get update && sudo apt-get -y --no-install-recommends install luarocks
+      - name: Install telescope
+        run: sudo luarocks install telescope
+      - uses: actions/checkout@v4
+      - name: Install deps
+        run: sudo make deps
+      - name: Test Features
+        run: make test

Makefile

@@ -1,5 +1,5 @@
 test:
-	tsc -f tests/*.lua
+	make -C tests test
 
 test-deps:
 	luarocks install telescope

docker-compose.yml

@@ -4,4 +4,4 @@ services:
   nats:
     image: nats
     ports:
-      - "4222:4222"
+      - "4222:4222"

tests/Makefile

@@ -0,0 +1,2 @@
+test:
+	tsc -f *.lua