Add PyPi release workflow

Author: silvanocerza

.github/workflows/pypi.yml

@@ -0,0 +1,32 @@
+name: "PyPI: Publish"
+
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+"
+  workflow_dispatch:
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    environment:
+      name: pypi
+      url: https://pypi.org/project/ipinfo-mcp-server
+
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v6
+
+      - name: Build package
+        run: uv build
+
+      - name: Publish package
+        run: uv publish