update CI (cont). update doc.

Author: foldl

.github/workflows/build.yml

@@ -172,10 +172,10 @@ jobs:
             os: ubuntu-22.04
           - build: 'arm64'
             os: ubuntu-22.04-arm
-          - build: 's390x'
-            os: ubuntu-24.04-s390x
-          - build: 'ppc64le'
-            os: ubuntu-24.04-ppc64le
+          #- build: 's390x'
+          #  os: ubuntu-24.04-s390x
+          #- build: 'ppc64le'
+          #  os: ubuntu-24.04-ppc64le
 
     runs-on: ${{ matrix.os }}
 

docs/quick_start.md

@@ -19,6 +19,8 @@ A.I. > Hello! How can I assist you today?
 You  >
 ```
 
+To use multi-modal models, see also [Multimodal](multimodal.md).
+
 For Linux/MacOS (and Windows) users, build [binding](binding.md) and start chatting.
 
 Note: `main_nim` built from [`main.nim`](../bindings/main.nim) supports model id and model downloading, while the _default_ `main`