blog: quantum resistant Signal algorithm (#3906)

* blog: quantum resistant Signal algorithm

* update, images

* finalize

* readme

* corrections

website/src/_includes/blog_previews/20240314.html

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+<p class="mb-[12px]">This is a major upgrade for SimpleX Chat messaging protocols!</p>
+
+<p class="mb-[12px]">This post also covers various aspects of end-to-end encryption:</p>
+
+<ul>
+    <li>Why do we need end-to-end encryption?</li>
+    <li>Why encryption is even allowed?</li>
+    <li>End-to-end encryption security: attacks and defence.</li>
+    <li>How secure is encryption in different messengers?</li>
+    <li>When can you start using quantum resistant chats?</li>
+    <li>Next for post-quantum crypto - all direct chats, small groups and security audit</li>
+</ul>

website/src/css/blog.css

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     float: left;
     margin-right: 3rem;
   }
+
+  #article .float-to-right{
+    float: right;
+    margin-left: 3rem;
+  }
 }