Add first step for a Home Assistant problem matcher (#31)

action.yaml

@@ -88,6 +88,11 @@ runs:
 
         docker pull -q "homeassistant/home-assistant:${version}"
 
+    - name: 🏗 Register Home Assistant problem matcher
+      shell: bash
+      run: |
+        echo "::add-matcher::matcher.json"
+
     - name: 🚀 Run Home Assistant Configuration Check
       shell: bash
       run: |

matcher.json

@@ -0,0 +1,25 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "homeassistant-warnings",
+      "pattern": [
+        {
+          "regexp": "^(WARNING):(.*)$",
+          "severity": 1,
+          "message": 2
+        }
+      ]
+    },
+    {
+      "owner": "homeassistant-invalid-config",
+      "pattern": [
+        {
+          "regexp": "(Invalid config for .*) \\(See (.*)(?::|, line )(\\d|\\?)\\)",
+          "file": 2,
+          "line": 3,
+          "message": 1
+        }
+      ]
+    }
+  ]
+}