Added: nix nightly build to cachix

.github/workflows/nix_continuous.yml

@@ -0,0 +1,38 @@
+name: nix_continuous
+
+on:
+  schedule:
+    - cron: "10 3 * * *"
+  push: 
+    branches:
+      - main
+    paths:
+      - '**/*.rs'
+      - '.github/workflows/nix.yml'
+      - 'nix/**'
+
+jobs:
+  lints:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install nix
+        uses: DeterminateSystems/nix-installer-action@main
+      - name: Cache build artifacts
+        uses: DeterminateSystems/magic-nix-cache-action@main
+      - name: Check flake inputs
+        uses: DeterminateSystems/flake-checker-action@main
+        with:
+          flake-lock-path: ./nix/flake.lock
+          ignore-missing-flake-lock: false
+      - name: Setup Cachix
+        uses: cachix/cachix-action@v27
+        with:
+          name: wezterm
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Build default package
+        run: |
+          nix build ./nix --json \
+          | jq -r '.[].outputs | to_entries[].value' \
+          | cachix push wezterm