draft autoformat bot

Author: Krastanov

.github/workflows/prprecommit.yml

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+name: PR Pre-Commit Bot
+env:
+  JULIA_NUM_THREADS: 2
+on:
+  pull_request:
+    branches: ["master", "main"]
+jobs:
+  pre-commit:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal token
+        fetch-depth: 0 # otherwise, you will failed to push refs to dest repo
+    - name: Setup Julia
+      uses: julia-actions/setup-julia@v2
+      with:
+        version: '1'
+    - name: Setup JuliaFormatter
+      run: |
+        julia -e '
+          using Pkg
+          Pkg.add(name="JuliaFormatter", version="1.0.62")'
+    - name: Setup Python
+      uses: actions/setup-python@v3
+    - name: Run pre-commit
+      uses: pre-commit/[email protected]
+    - name: Commit files
+      run: |
+        git config --local user.email "[email protected]"
+        git config --local user.name "PR Pre-Commit Bot"
+        git diff-index --quiet HEAD || git commit -m "add bot commits" -a
+    - name: Push changes
+      uses: ad-m/[email protected]
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        branch: ${{ github.head_ref }}

.pre-commit-config.yaml

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+repos:
+- repo: "https://github.com/domluna/JuliaFormatter.jl"
+  rev: "v1.0.62"
+  hooks:
+  - id: "julia-formatter"