docs: add GitHub buttons and improve option docs

docs/themes/navy/layout/index.swig

@@ -3,6 +3,7 @@
     <h2 id="banner-title">{{ page.subtitle }}</h2>
     <div id="banner-start">
       <code id="banner-start-command">npm install liquidjs</code><a id="banner-start-link" href="./tutorials/setup.html"><i class="icon-arrow-right"></i></a>
+      <a id="banner-github-link" href="https://github.com/{{ config.github }}" target="_blank" rel="noreferrer">GitHub</a>
     </div>
     <div id="banner-share">{{ partial('partial/share') }}</div>
   </div>

docs/themes/navy/layout/partial/after_footer.swig

@@ -5,6 +5,7 @@
 
 {{ js('js/main') }}
 
+<script async defer src="https://buttons.github.io/buttons.js"></script>
 <script src="https://cdn.jsdelivr.net/npm/docsearch.js@2/dist/cdn/docsearch.min.js"></script>
 <script>
 document.getElementById('search-input-wrap').classList.add('on');

docs/themes/navy/layout/partial/header.swig

@@ -18,7 +18,10 @@
         {% endfor %}
       </select>
     </div>
-    <a href="https://github.com/{{ config.github }}" class="main-nav-link icon-nav-link"><i class="icon-github"></i> <span class="icon-nav-title">GitHub</span></a>
+    <div class="main-nav-link icon-nav-link github-buttons-wrap">
+      <a class="github-button" href="https://github.com/harttle/liquidjs" data-color-scheme="no-preference: light; light: light; dark: dark;" data-size="large" data-show-count="true" aria-label="Star harttle/liquidjs on GitHub">Star</a>
+      <a class="github-button" href="https://github.com/sponsors/harttle" data-color-scheme="no-preference: light; light: light; dark: dark;" data-size="large" aria-label="Sponsor @harttle on GitHub">Sponsor</a>
+    </div>
     <a id="mobile-nav-toggle">
       <span class="mobile-nav-toggle-bar"></span>
       <span class="mobile-nav-toggle-bar"></span>

src/liquid-options.ts

@@ -72,7 +72,7 @@ export interface LiquidOptions {
   fs?: FS;
   /** keyValue separator */
   keyValueSeparator?: string;
-  /** Render from in-memory `templates` mapping instead of file system. File system related options like `fs`, 'root', and `relativeReference` will be ignored when `templates` is specified. */
+  /** Render from an in-memory `templates` mapping instead of the file system. When `templates` is set, Liquid uses the provided mapping for template lookup (including includes, layouts, and partials), and file-system options such as `fs`, `root`, `partials`, `layouts`, and `relativeReference` are effectively bypassed for those lookups. */
   templates?: {[key: string]: string};
   /** the global scope passed down to all partial and layout templates, i.e. templates included by `include`, `layout` and `render` tags. */
   globals?: object;

tsconfig.json

@@ -9,9 +9,7 @@
     "skipLibCheck": true,
     "allowSyntheticDefaultImports": true,
     "resolveJsonModule": true,
-    "downlevelIteration": true,
-    "strict": true,
-    "suppressImplicitAnyIndexErrors": true
+    "strict": true
   },
   "all": true,
   "exclude": [ "node_modules", "dist", "demo", "test" ]