Healthcare landing (#2131)

* add healthcare landing page

* removed unused files, add a slider

* fix slider value points style

* slides update

* logo section, fixes

* some refinement

* images fix

* upd text and list styles

* add menu links, fix z-index, fix some icons

* thinner menu icon

qdrant-landing/content/healthcare/get-contacted.md

@@ -0,0 +1,14 @@
+---
+title: Talk to an expert about healthcare AI retrieval architecture.
+description: Discuss filtered retrieval, multimodal search, and scaling RAG or agents in production.
+button:
+  text: Talk to Sales
+  url: /contact-us/
+illustration:
+  src: /img/hr-tech/cta-illustration.png
+  alt: Rocket flying over globe illustration
+background:
+  src: /img/hr-tech/space-background.svg
+  alt: Space background
+sitemapExclude: true
+---