Add github action testing

Signed-off-by: Jose Luis Rivero <[email protected]>

.github/workflows/ci-pixi.yaml

@@ -0,0 +1,21 @@
+name: DSL logs and checks
+
+on:
+  pull_request:
+  push:
+    paths:
+      - 'conda/envs/legacy/**'
+
+jobs:
+  legacy_pixi_test:
+    runs-on: ubuntu-latest
+    name: Legacy testing Pixi
+    steps:
+      - name: Install pixi
+        uses: prefix-dev/setup-pixi@ba3bb36eb2066252b2363392b7739741bb777659  # v0.8.1
+        with:
+          locked: true
+          cache: false  # 10Gb limit might be too low for caching
+      - name: Build Gazebo enviroment
+        run:
+          pixi install --locked --manifest-path conda/envs/legacy/