begin work on automatic website updates

.github/workflows/web_update.yml

@@ -0,0 +1,27 @@
+name: website update
+
+on:
+  workflow_dispatch:
+
+jobs:
+  web_update:
+    runs-on: ubuntu-22.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: build
+      run: |
+        cd doc
+        pip3 install -r requirements.txt
+        cd OSL
+        python3 make_osl_document.py
+        cd ..
+        python3 docgen.py
+        cd ..
+        wget -O - https://github.com/cobalt-org/cobalt.rs/releases/download/v0.19.2/cobalt-v0.19.2-x86_64-unknown-linux-gnu.tar.gz|tar -xzf - ./cobalt
+        cd web
+        ../cobalt build
+        cd _site
+        tar -czf ../../_site.tar.gz *
+        cd ../..
+        curl -u "${{secrets.CIFTP}}" -s -T _site.tar.gz ftp://nvgt.gg/_site.tar.gz
+