automatically add labels to pull requests based on changed files (#111)

* automatically add labels to pull requests based on changed files

* remove `GLS` labeling (part of ramp fitting)

.github/labeler.yml

@@ -0,0 +1,46 @@
+documentation:
+  - 'docs/**/*'
+  - any: [ '*.rst', '!CHANGES.rst' ]
+  - '*.md'
+  - '.readthedocs.yml'
+  - 'LICENSE'
+
+installation:
+  - 'pyproject.toml'
+  - 'setup.*'
+  - 'requirements-*.txt'
+  - 'MANIFEST.in'
+
+# --------------------------------------- testing ---------------------------------------
+
+automation:
+  - '.github/**'
+  - '.bandit.yaml'
+  - '.codecov.yml'
+
+testing:
+  - '**/tests/**'
+  - '.github/workflows/ci*.yml'
+  - 'conftest.py'
+
+# --------------------------------------- modules ---------------------------------------
+
+dark_current:
+  - '**/*dark_current*'
+  - '**/*dark_current*/**'
+
+jump:
+  - '**/*jump*'
+  - '**/*jump*/**'
+
+linearity:
+  - '**/*linearity*'
+  - '**/*linearity*/**'
+
+ramp_fitting:
+  - '**/*ramp_fitting*'
+  - '**/*ramp_fitting*/**'
+
+saturation:
+  - '**/*saturation*'
+  - '**/*saturation*/**'

.github/workflows/label_pull_request.yml

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+name: label pull request
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v4
+        if: github.event_name == 'pull_request_target' || github.event_name == 'pull_request'
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"