add docu and fix github workflow pypi-deploy.yml for installing libiconv

.github/workflows/pypi-deploy.yml

@@ -40,16 +40,15 @@ jobs:
         with:
           name: wheel-config
           path: python/
-      - name: Install iconv for Windows
+      - name: Get vcpkg repo
         if: matrix.os == 'windows-2019'
-        steps:
-          - name: Get vcpkg repo
-            run: git clone https://github.com/Microsoft/vcpkg.git
-          - name: Install vcpkg
-            run: .\vcpkg\bootstrap-vcpkg.bat
-            working-directory: vcpkg/
-          - name: Install required package libiconv
-            run: vcpkg install libiconv
+        run: git clone https://github.com/Microsoft/vcpkg.git
+      - name: Build and install vcpkg and install libiconv for windows
+        if: matrix.os == 'windows-2019'
+        run: |
+          .\vcpkg\bootstrap-vcpkg.bat
+          vcpkg install libiconv
+        working-directory: vcpkg/
       - name: Build wheels
         run: python -m cibuildwheel --output-dir wheelhouse
         working-directory: python/

README.md

@@ -233,3 +233,6 @@ can be found in the `python/examples` folder.
 - https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idstepsrun
 - https://github.com/pypa/cibuildwheel/blob/main/examples/github-deploy.yml
 - https://cibuildwheel.readthedocs.io/en/stable/deliver-to-pypi/
+- https://www.gnu.org/software/libiconv/
+- https://vcpkg.io/en/packages.html
+- https://vcpkg.io/en/getting-started