blog: v5.2 announcement (#2748)

* blog: v5.2 announcement

* remove extra heading

* updated

* update blog, images

* blog readme

* readme

website/src/_includes/blog_previews/20230422.html

@@ -1,4 +1,4 @@
-<p></p>SimpleX Chat vision and funding:</p>
+<p><strong>SimpleX Chat vision and funding:</strong></p>
 
 <ul class="mb-[12px]">
     <li>why is it a commercial company?</li>
@@ -6,7 +6,7 @@
     <li>what is next?</li>
 </ul>
 
-<p>v5.0 is released:</p>
+<p><strong>v5.0 is released:</strong></p>
 
 <ul class="mb-[12px]">
     <li>send videos and files up to 1gb</li>

website/src/_includes/blog_previews/20230523.html

@@ -1,4 +1,4 @@
-<p>v5.1 is released:</p>
+<p><strong>v5.1 is released:</strong></p>
 
 <ul class="mb-[12px]">
     <li>message reactions 🚀</li>

website/src/_includes/blog_previews/20230722.html

@@ -0,0 +1,29 @@
+<p><strong>v5.2 is released:</strong></p>
+
+<ul class="mb-[12px]">
+    <li>message delivery receipts! ✅</li>
+    <li>filter favorite and unread chats</li>
+    <li>better disappearing messages</li>
+    <li>prohibit message reactions</li>
+    <li><p>more usable groups:</p>
+        <ul>
+            <li>view full original replied message in info.</li>
+            <li>share your address via your chat profile</li>
+            <li>search new and existing members</li>
+        </ul>
+    </li>
+    <li><p>stability improvements:</p>
+        <ul>
+            <li>keep your connections working after restoring from backup.</li>
+            <li>restart app (Android) or reconnect servers (iOS)</li>
+            <li>more stable connections and message delivery</li>
+        </ul>
+    </li>
+</ul>
+
+<p><strong>Platform evolution:</strong></p>
+
+<ul class="mb-[12px]">
+    <li>problems of public groups and their future</li>
+    <li>what about read receipts?</li>
+</ul>