separate workflow to create tag then build

.gitea/workflows/create_release.yaml

@@ -0,0 +1,35 @@
+name: Build iso when a new version is pushed
+run-name: iso building
+on:
+  push:
+    tags:
+      - '*'
+      
+
+jobs:
+  build_and_create_release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: get repo
+        uses: actions/checkout@v4.2.2
+
+#      - name: install nix
+#        uses: https://github.com/cachix/install-nix-action@v31
+#
+#      - name: install go
+#        uses: https://github.com/actions/setup-go@v4
+#        with:
+#          go-version: '>=1.20.1'
+
+      #- name: build iso
+      #  run: make iso
+      #
+      - name: fetch tags
+        run: git fetch --tags
+
+      - name: create release
+        uses: https://gitea.com/actions/release-action@main
+        with:
+          files: |-
+            flake.nix
+          api_key: ${{secrets.RELEASE_TOKEN}}