feat: create harmony_composer initial version + rework CI (#58)

Co-authored-by: tahahawa <tahahawa@gmail.com>
Reviewed-on: #58
Reviewed-by: johnride <jg@nationtech.io>
Co-authored-by: Taha Hawa <taha@taha.dev>
Co-committed-by: Taha Hawa <taha@taha.dev>

.gitea/workflows/check.yml

@@ -1,14 +1,18 @@
 name: Run Check Script
 on:
   push:
+    branches:
+      - master
   pull_request:
 
 jobs:
   check:
-    runs-on: rust-cargo
+    runs-on: docker
+    container:
+      image: hub.nationtech.io/harmony/harmony_composer:latest@sha256:eb0406fcb95c63df9b7c4b19bc50ad7914dd8232ce98e9c9abef628e07c69386
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-      
+
       - name: Run check script
         run: bash check.sh