fix: fix 404 errors (#267)

* fix: fix for 404 error - 1

* fix: fix for 404 error - 2

* fix: fix for 404 error - 3

qdrant-landing/content/case-studies/bloop.md

@@ -2,7 +2,7 @@
 title: "Powering Bloop semantic code search"
 short_description: Bloop is a fast code-search engine that combines semantic search, regex search and precise code navigation
 description: Bloop is a fast code-search engine that combines semantic search, regex search and precise code navigation
-social_preview_image: /case-studies/bloop/social_preview.jpg
+social_preview_image: /case-studies/bloop/social_preview.png
 preview_dir: /case-studies/bloop/preview
 weight: 2
 date: 2023-02-28T09:48:00.000Z

qdrant-landing/content/documentation/guides/security.md

@@ -37,7 +37,7 @@ service:
 <aside role="alert"><a href="#tls">TLS</a> must be used to prevent leaking the API key over an unencrypted connection.</aside>
 
 For using API key based authentication in Qdrant cloud see the cloud
-[Authentication](https://qdrant.tech/documentation/cloud/cloud-quick-start/#authentication)
+[Authentication](https://qdrant.tech/documentation/cloud/authentication)
 section.
 
 The API key then needs to be present in all REST or gRPC requests to your instance.

qdrant-landing/content/documentation/integrations/langchain.md

@@ -104,4 +104,4 @@ qdrant = Qdrant.from_documents(
 
 If you'd like to know more about running Qdrant in a LangChain-based application, please read our article 
 [Question Answering with LangChain and Qdrant without boilerplate](/articles/langchain-integration/). Some more information
-might also be found in the [LangChain documentation](https://python.langchain.com/docs/integrations/vectorstores/qdrant.html).
+might also be found in the [LangChain documentation](https://python.langchain.com/docs/integrations/vectorstores/qdrant).