add manual publish trigger (#19)

Author: kicka5h

.github/workflows/publish.yml

@@ -4,6 +4,11 @@ on:
   push:
     tags:
       - "v*"
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: "Tag to publish (e.g. v0.1.4)"
+        required: true
 
 jobs:
   # ── 1. Run tests before publishing ─────────────────────────────────────────
@@ -12,6 +17,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.tag || github.ref }}
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
@@ -26,6 +33,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.inputs.tag || github.ref }}
 
       - uses: actions/setup-python@v5
         with:
@@ -84,5 +93,6 @@ jobs:
       - name: Create GitHub Release
         uses: softprops/action-gh-release@v2
         with:
+          tag_name: ${{ github.event.inputs.tag || github.ref_name }}
           files: dist/*
           generate_release_notes: true