[docs] backport #17788 to stable-25-1 (#17893)

Co-authored-by: Aleksey Myasnikov <asmyasnikov@ydb.tech>

Author: blinkov

ydb/docs/.yfm

@@ -5,19 +5,23 @@ allowCustomResources: true
 included: true
 resources:
   style:
-    - _assets/tags.css   
+    - _assets/tags.css
+    - _assets/badge.css
+  csp:
+    - "img-src":
+        - "https://github.ydb.tech"
 
 docs-viewer:
   project-name: ydb
   # no-index: true # Remove this after the public release
   langs: ['en','ru']
   themes: ['light', 'dark']
   favicon-src: https://storage.yandexcloud.net/ydb-www-prod-site-assets/favicon-202305/favicon.ico
-  gtm: 
+  gtm:
     id: GTM-W7ZBL4X
   github-url-prefix: https://github.com/ydb-platform/ydb/tree/main/ydb/docs
   unrestrict-revision-access: true
-  
+
   logo-options:
     url:
       en: https://ydb.tech/
@@ -29,7 +33,7 @@ docs-viewer:
     img-has:
       width: 80px
       offset: true
-  
+
   index-page:
     title: YDB Open Source
     description: Горизонтально масштабируемая распределённая отказоустойчивая СУБД

ydb/docs/_assets/badge.css

@@ -0,0 +1,3 @@
+.dc-doc-page .yfm img {
+    background-color: transparent;
+}