Feat: add gpg sign

.gitea/workflows/build.yml

@@ -11,3 +11,5 @@ jobs:
         with:
           minio-accesskey: ${{ secrets.MINIO_ACCESSKEY }}
           minio-secretkey: ${{ secrets.MINIO_SECRETKEY }}
+          gpg-password: ${{ secrets.GPG_PASSWORD }}
+          gpg-keygrip: ${{ secrets.GPG_KEYGRIP }}

.gitignore

@@ -1,4 +0,0 @@
-*
-!PKGBUILD
-!.SRCINFO
-!.gitignore