Add GitHub Pages deploy workflow

.github/workflows/deploy.yml

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+name: Deploy to GitHub Pages
+
+on:
+  # Trigger the workflow every time you push to the `main` branch
+  # Using a different branch name? Replace `main` with your branch’s name
+  push:
+    branches: [master]
+  # Allows you to run this workflow manually from the Actions tab on GitHub.
+  workflow_dispatch:
+
+# Allow this job to clone the repo and create a page deployment
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout your repository using git
+        uses: actions/checkout@v3
+      - name: Install, build, and upload your site
+        uses: withastro/action@v0
+        # with:
+        # path: . # The root location of your Astro project inside the repository. (optional)
+        # node-version: 16 # The specific version of Node that should be used to build your site. Defaults to 16. (optional)
+        # package-manager: yarn # The Node package manager that should be used to install dependencies and build your site. Automatically detected based on your lockfile. (optional)
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v1

.vscode/settings.json

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+{
+  "yaml.schemas": {
+    "file:///c%3A/Users/Maciej/.vscode/extensions/atlassian.atlascode-2.10.1/resources/schemas/pipelines-schema.json": "bitbucket-pipelines.yml",
+    "https://json.schemastore.org/github-workflow.json": "file:///c%3A/Workspaces/my-website/.github/workflows/deploy.yml"
+  }
+}