[AudioLDM 2] Blog post (huggingface#1432)

* up

* up

* add thumbnail

* fix yml

* fix blog

* up

Author: sanchit-gandhi

_blog.yml

@@ -2742,4 +2742,14 @@
     - nlp
     - community
     - research
-    - LLM
+    - LLM
+
+- local: audioldm2
+  title: "AudioLDM 2, but faster ⚡️"
+  author: sanchit-gandhi
+  thumbnail: /blog/assets/161_audioldm2/thumbnail.png
+  date: Aug 30, 2023
+  tags:
+    - guide
+    - audio
+    - diffusers