copy over .github from pdfmorph

.github/workflows/docs.yml

@@ -0,0 +1,43 @@
+name: Build Documentation
+
+on:
+  push:
+    branches:
+      - main
+  release:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        shell: bash -l {0}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - uses: conda-incubator/setup-miniconda@v2
+        with:
+          activate-environment: build
+          auto-update-conda: true
+
+      - name: install requirements
+        run: >-
+          conda install -n build -c conda-forge
+          --file requirements/build.txt
+          --file requirements/run.txt
+          --file requirements/docs.txt
+          --quiet --yes
+
+      - name: install the package
+        run: python -m pip install . --no-deps
+
+      - name: build documents
+        run: make -C doc html
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./doc/build/html

.github/workflows/main.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - main
+      - CI
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  miniconda:
+    name: Miniconda ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+        matrix:
+            os: ["ubuntu-latest"]
+    steps:
+      - name: check out diffpy.pdfgui
+        uses: actions/checkout@v3
+        with:
+          repository: diffpy/diffpy.pdfgui
+          path: .
+          fetch-depth: 0  # avoid shallow clone with no tags
+
+      - name: initialize miniconda
+        # this uses a marketplace action that sets up miniconda in a way that makes
+        # it easier to use.  I tried setting it up without this and it was a pain
+        uses: conda-incubator/setup-miniconda@v2
+        with:
+          activate-environment: test
+          # environment.yml file is needed by this action.  Because I don't want
+          # maintain this but rather maintain the requirements files it just has
+          # basic things in it like conda and pip
+          environment-file: ./environment.yml
+          python-version: 3
+          auto-activate-base: false
+
+      - name: install diffpy.pdfgui requirements
+        shell: bash -l {0}
+        run: |
+          conda config --set always_yes yes --set changeps1 no
+          conda config --add channels conda-forge
+          conda activate test
+          conda install --file requirements/run.txt
+          conda install --file requirements/test.txt
+          pip install .
+      - name: Validate diffpy.pdfgui
+        shell: bash -l {0}
+        run: |
+          conda activate test
+          coverage run -m pytest -vv -s
+          coverage report -m
+          codecov

.github/workflows/pre-commit.yml

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+name: pre-commit
+
+on:
+  pull_request:
+  push:
+  workflow_dispatch:
+
+jobs:
+  pre-commit:
+    # pull requests are a duplicate of a branch push if within the same repo.
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+      - uses: pre-commit/action@v3.0.0
+        with:
+          extra_args: --all-files