jekyll(assets): move css to assets folder

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

_includes/head.html

@@ -59,18 +59,18 @@
   {%- endcomment -%}
   {%- if page.layout == 'landing' -%}
   <!-- landing page scripts -->
-  <script defer src="/js/theme-switcher.js"></script>
+  <script defer src="/assets/js/theme-switcher.js"></script>
   <script defer src="/assets/jquery/jquery.js"></script>
   <script defer src="/assets/bootstrap/bootstrap.min.js"></script>
   {%- else -%}
-  <script defer src="/js/theme-switcher.js"></script>
-  <script defer src="/js/anchorlinks.js"></script>
+  <script defer src="/assets/js/theme-switcher.js"></script>
+  <script defer src="/assets/js/anchorlinks.js"></script>
   <script defer src="/assets/jquery/jquery.js"></script>
   <script defer src="/assets/bootstrap/bootstrap.min.js"></script>
-  <script defer src="/js/docs.js"></script>
+  <script defer src="/assets/js/docs.js"></script>
   {%- endif -%}
   {%- if site.local_search -%}
-  <script defer src="/js/search.js"></script>
+  <script defer src="/assets/js/search.js"></script>
   {%- endif -%}
 
   {%- comment -%}

assets/js/docs.js

@@ -62,7 +62,7 @@ function walkTree(tree) {
 }
 
 function renderNav() {
-    getJSON( "/js/toc.json", function( data ) {
+    getJSON( "/assets/js/toc.json", function( data ) {
         for (const item of data.horizontalnav) {
             if (item.path === pageURL || pageIsInSection(data[item.node])) {
                 // This is the current section. Set the corresponding header-nav link

assets/js/search.js

@@ -103,7 +103,7 @@ function handleSearch(/* KeyboardEvent */ e) {
 }
 
 ready(() => {
-    getJSON( "/js/metadata.json", function(data) {
+    getJSON( "/assets/js/metadata.json", function(data) {
         pages = data
         const input = _("#st-search-input")
         if (/* HTMLInputElement */ input) {