Minor fixes (#52)

* Add beach image jpg and webp

* Fix images and avatar css

* Increase border width, add links to feather icons in basic doc

* Add robots txt file

* Remove paginate

* Update documentation

exampleSite/content/posts/theme-documentation-basics.md

@@ -54,6 +54,9 @@ title = "My New Hugo Site"
 
 theme = "gokarna"
 
+# Automatically generate robots.txt
+enableRobotsTXT = true
+
 [menu]
   [[menu.main]]
     # Unique identifer for a menu item
@@ -84,7 +87,7 @@ theme = "gokarna"
     url = "https://github.com"
     weight = 3
     
-    # We use feather-icons
+    # We use feather-icons: https://feathericons.com/
     pre = "<span data-feather='github'></span>"
 ```
 
@@ -148,6 +151,9 @@ In addition to [Hugo global configuration](https://gohugo.io/overview/configurat
   # Ideal usecase for this is to import custom js/css or add your analytics snippet
   customHeadHTML = ""
 
+  # Keywords relevant for SEO
+  metaKeywords = ["blog", "gokarna", "hugo"]
+
   # If you want to display posts on the homepage, the options are
   # "popular" (order posts by weight), "recent" (order posts by date)
   # or "" (do not display, default option)
@@ -225,6 +231,13 @@ You can add custom HTML in head section
 
 Read more in the advanced section [here](/posts/theme-documentation-advanced/#custom-head-html)
 
+### robots.txt
+
+Automatically generate robots.txt
+
+```toml
+enableRobotsTXT = true
+```
 
 ### Favicons, Browserconfig, Manifest