Switch to github Actions to use the latest Zola build

Signed-off-by: Alexander Borsuk <me@alex.bio>

.github/workflows/publish.yml

@@ -0,0 +1,32 @@
+name: Publish to Cloudflare Pages
+
+env:
+  ZOLA_VERSION: 0.17.1
+
+on: [push]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: production
+    permissions:
+      contents: read
+      deployments: write
+    name: Publish to Cloudflare Pages
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Build with Zola
+        run: |
+          wget -O zola.tar.gz -c https://github.com/getzola/zola/releases/download/v${ZOLA_VERSION}/zola-v${ZOLA_VERSION}-x86_64-unknown-linux-gnu.tar.gz
+          tar -zxvf zola.tar.gz
+          ./zola build
+
+      - name: Publish to Cloudflare Pages
+        uses: cloudflare/pages-action@v1
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          projectName: organicmaps
+          directory: public

templates/base.html

@@ -52,14 +52,11 @@
 
   {%- block meta -%}{%- endblock %}
 
-  <!-- TODO: Use get_url everywhere when it works, also with cachebust=true,
-  see https://github.com/getzola/zola/issues/1570 -->
-  <link href="/main.css?h={{ get_file_hash(path='sass/main.scss', sha_type=256, base64=false) }}" rel="stylesheet" type="text/css">
+  <link href="{{ get_url(path="main.css", cachebust=true) }}" rel="stylesheet" type="text/css">
 
   <title>{{ resource.title }}</title>
 
-  {# TODO: Replace 'en' with config.default_language after upgrading Zola #}
-  {%- if lang == 'en' %}
+  {%- if lang == config.default_language %}
   {% include 'language_redirect.html' %}
   {% endif -%}
 </head>

templates/language_redirect.html

@@ -12,8 +12,7 @@ if (null === window.localStorage.getItem('lang')) {
       if (userPreferredLanguages[i].indexOf(pageTranslations[j]) == 0) {
         window.localStorage.setItem('lang', pageTranslations[j]);
         // Do not redirect the default 'en' language.
-        // TODO: Use config.default_language instead of hard-coding 'en' after Zola upgrade on CF.
-        if (pageTranslations[j] != 'en') {
+        if (pageTranslations[j] != '{{ config.default_language }}') {
           window.location.pathname = '/' + pageTranslations[j] + window.location.pathname;
         }
         break outerLoop;

templates/top_menu.html

@@ -1,6 +1,5 @@
 {% set langPathPrefix = '' %}
-{# TODO: Replace 'en' with config.default_language after upgrading Zola #}
-{% if lang != 'en' %}
+{% if lang != config.default_language %}
   {% set langPathPrefix = '/' ~ lang %}
 {% endif %}
 <nav id="menu" role="navigation">