feat: add more content and fix issues

fix: hide lang switch if site is not multilingual

docs: update getting started page

fix: ordered list style

chore: update hugo icon

feat: add icon shortcode page

docs: add markdown and configuration pages

docs: add diagrams page

docs: add more content

fix: mermaid background and add image styling

chore: update templates

chore: update hugo stats

exampleSite/content/docs/guide/configuration.md

@@ -0,0 +1,126 @@
+---
+title: Configuration
+weight: 2
+---
+
+Hugo reads its configuration from `hugo.yaml` in the root of your Hugo site.
+The config file is where you can configure all aspects of your site.
+You can find the config file for this site in `exampleSite/hugo.yaml` as a good starting point.
+
+## Navigation
+
+### Menu
+
+Top right menu is defined under the `menu.main` section in the config file:
+
+```yaml {filename="hugo.yaml"}
+menu:
+  main:
+    - name: Documentation
+      pageRef: /docs
+      weight: 1
+    - name: Blog
+      pageRef: /blog
+      weight: 2
+    - name: About
+      pageRef: /about
+      weight: 3
+    - name: Search
+      weight: 4
+      params:
+        type: search
+        placeholder: Search Hextra docs...
+    - name: GitHub
+      weight: 5
+      url: "https://github.com/imfing/hextra"
+      params:
+        icon: github
+```
+
+There are different types of menu items:
+
+1. Link to a page in the site with `pageRef`
+    ```yaml
+    - name: Documentation
+      pageRef: /docs
+    ```
+2. Link to an external URL with `url`
+    ```yaml
+    - name: GitHub
+      url: "https://github.com"
+    ```
+3. Search bar with `type: search`
+    ```yaml
+    - name: Search
+      params:
+        type: search
+        placeholder: Search Hextra docs...
+    ```
+4. Icon
+    ```yaml
+    - name: GitHub
+      params:
+        icon: github
+    ```
+
+These menu items can be sorted by setting the `weight` parameter.
+
+## Sidebar
+
+### Main Sidebar
+
+For the main sidebar, it is automatically generated from the structure of the content directory.
+See the [Organize Files](/docs/guide/organize-files) page for more details.
+
+### Extra Links
+
+Sidebar extra links are defined under the `menu.sidebar` section in the config file:
+
+```yaml {filename="hugo.yaml"}
+menu:
+  sidebar:
+    - name: More
+      params:
+        type: separator
+      weight: 1
+    - name: "About"
+      pageRef: "/about"
+      weight: 2
+    - name: "Hugo Docs ↗"
+      url: "https://gohugo.io/documentation/"
+      weight: 3
+```
+
+## Right Sidebar
+
+### Table of Contents
+
+Table of contents is automatically generated from the headings in the content file. It can be disabled by setting `toc: false` in the front matter of the page.
+
+```yaml {filename="content/docs/guide/configuration.md"}
+---
+title: Configuration
+toc: false
+---
+```
+
+### Page Edit Link
+
+To configure the page edit link, we can set the `params.editURL.base` parameter in the config file:
+
+```yaml {filename="hugo.yaml"}
+params:
+  editURL:
+    base: "https://github.com/your-username/your-repo/edit/main"
+```
+
+The edit links will be automatically generated for each page.
+If you want to set edit link for a specific page, you can set the `params.editURL` parameter in the front matter of the page:
+
+```yaml {filename="content/docs/guide/configuration.md"}
+---
+title: Configuration
+params:
+  editURL: "https://example.com/edit/this/page"
+---
+```