Small fixes for CI and a license

Author: crimsonknave

.github/workflows/matchers/ruff.json

@@ -0,0 +1,14 @@
+{
+  "problemMatcher": [
+    {
+      "owner": "ruff",
+      "pattern": [
+        {
+          "regexp": "^(Would reformat): (.+)$",
+          "message": 1,
+          "file": 2
+        }
+      ]
+    }
+  ]
+}

.github/workflows/ruff.yaml

@@ -17,6 +17,11 @@ jobs:
       run: |
         python -m pip install hatch
         hatch env create dev
-    - name: Lint with Ruff
+    - name: Lint with Ruff (check)
       run: |
-        hatch run dev:ruff --output-format=github .
+        hatch run dev:ruff check --output-format=github .
+    - name: Register problem matcher for ruff format
+      run: echo "::add-matcher::.github/workflows/matchers/ruff.json"
+    - name: Lint with Ruff (format)
+      run: |
+        hatch run dev:ruff format --check .

LICENSE.txt

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright GitHub, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.