add linux arm build (#16)

* add linux arm build

* Update build.py

* Update main.yml

* Update main.yml

* Update debian.yaml

debian/debian.yaml

@@ -1,6 +1,6 @@
 flutter_app: 
   command: pixes
-  arch: x64
+  arch: {{Arch}}
   parent: /usr/local/lib
   nonInteractive: true
   execFieldCodes: u
@@ -8,11 +8,11 @@ flutter_app:
 control:
   Package: pixes
   Version: {{Version}}
-  Architecture: amd64
+  Architecture: {{Architecture}}
   Priority: optional
-  Depends:
+  Depends: libwebkit2gtk-4.1-0, libgtk-3-0
   Maintainer: nyne
   Description: Unofficial pixiv application
   
 #options:
-#  exec_out_dir: debian/packages
+#  exec_out_dir: debian/packages