add luci-nginx aria2 and update luci-theme-argon

.github/workflows/ci.yml

@@ -84,6 +84,8 @@ jobs:
           cp -a src/* ib/
           ls patches/ | sort | xargs -n1 sh -c 'patch -p1 -d ib -i ../patches/$0'
           sed -i 's/ unofficial/ oversea/' ib/Makefile
+          ls packages/all | cut -d "_" -f 1 | xargs -n1 sh -c 'rm ib/packages/$0*.ipk'
+          cp packages/all/*.ipk ib/packages/
           case ${IB_URL} in
             *x86*)
                 cp src/repositories_x86_64.conf ib/repositories.conf