improve actions by using cachix (#276)

.github/workflows/demo.yml

@@ -28,11 +28,16 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install nix
         uses: cachix/install-nix-action@v20
 
+      - uses: cachix/cachix-action@v14
+        with:
+          name: mycache
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+
       - name: Build ${{ matrix.demo.name }} .#${{ matrix.demo.flake }}
         run: |
           cd demo/${{ matrix.demo.name }}

.github/workflows/pages.yml

@@ -40,6 +40,11 @@ jobs:
       - name: Install nix
         uses: cachix/install-nix-action@v20
 
+      - uses: cachix/cachix-action@v14
+        with:
+          name: mycache
+          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+
       - name: Build docs
         run: |
           nix \

README.md

@@ -4,7 +4,7 @@
 
 [![Documentation](https://github.com/ibizaman/selfhostblocks/actions/workflows/pages.yml/badge.svg)](https://github.com/ibizaman/selfhostblocks/actions/workflows/pages.yml)
 [![Tests](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Fgarnix.io%2Fapi%2Fbadges%2Fibizaman%2Fselfhostblocks%3Fbranch%3Dmain)](https://garnix.io) (using Garnix)
-![Demos](https://github.com/ibizaman/selfhostblocks/actions/workflows/Demo/badge.svg)
+[![demos](https://github.com/ibizaman/selfhostblocks/actions/workflows/Demo/badge.svg)](https://github.com/ibizaman/selfhostblocks/actions/workflows/demo.yml)
 
 SHB's (Self Host Blocks) is yet another server management tool whose goal is to provide better
 building blocks for self-hosting. Indeed, SHB provides opinionated [building