github: add flakehub workflow

.github/workflows/flake-update-inputs.yml

@@ -1,4 +1,4 @@
-name: "update-flake-inputs"
+name: "inputs"
 on:
   schedule:
     - cron: "0 0 * * 0"

.github/workflows/flakehub-publish-rolling.yml

@@ -0,0 +1,20 @@
+name: "flakehub"
+on:
+  push:
+    branches:
+      - "master"
+jobs:
+  flakehub-publish:
+    runs-on: "ubuntu-latest"
+    permissions:
+      id-token: "write"
+      contents: "read"
+    steps:
+      - uses: "actions/checkout@v3"
+      - uses: "DeterminateSystems/nix-installer-action@main"
+      - uses: "DeterminateSystems/flakehub-push@main"
+        with:
+          name: "alyraffauf/nixcfg"
+          rolling: true
+          visibility: "public"
+          include-output-paths: true