Github action to maintain swag docs up to date

swag.yaml

name: swagger

on:
  push:
    tags:
      - v*
    branches:
      - master
      - main
  pull_request:
permissions:
  contents: read

jobs:
  swagger:
    name: docs
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 2
      - uses: supplypike/setup-bin@v1
        with:
          uri: "https://github.com/swaggo/swag/releases/download/v1.7.6/swag_1.7.6_Linux_x86_64.tar.gz"
          name: "swag"
          version: "1.7.6"
      - name: swag init
        run: swag init
      - name: git diff
        run: git diff --no-ext-diff --quiet --exit-code