chore: Recommend the usage of /etc/ instead of /usr/etc/ (#38)

* chore: Recommend the usage of `/etc/` instead of `/usr/etc/`

Related PR:
https://github.com/blue-build/modules/pull/315

* docs: Remove mention of putting files to `/usr/etc/` in recipe

.github/workflows/build.yml

@@ -1,7 +1,7 @@
 name: bluebuild
 on:
   schedule:
-    - cron: "00 17 * * *" # build at 17:00 UTC every day 
+    - cron: "00 06 * * *" # build at 06:00 UTC every day 
                           # (20 minutes after last ublue images start building)
   push:
     paths-ignore: # don't rebuild if only documentation has changed
@@ -26,9 +26,12 @@ jobs:
     steps:
        # the build is fully handled by the reusable github action
       - name: Build Custom Image
-        uses: blue-build/github-action@v1.3
+        uses: blue-build/github-action@v1.6
         with:
           recipe: ${{ matrix.recipe }}
           cosign_private_key: ${{ secrets.SIGNING_SECRET }}
           registry_token: ${{ github.token }}
           pr_event_number: ${{ github.event.number }}
+
+          # enabled by default, disable if your image is small and you want faster builds      
+          maximize_build_space: true

README.md

@@ -1,4 +1,4 @@
-# BlueBuild Template   [![build-ublue](https://github.com/blue-build/template/actions/workflows/build.yml/badge.svg)](https://github.com/blue-build/template/actions/workflows/build.yml)
+# BlueBuild Template   [![bluebuild build badge](https://github.com/blue-build/template/actions/workflows/build.yml/badge.svg)](https://github.com/blue-build/template/actions/workflows/build.yml)
 
 See the [BlueBuild docs](https://blue-build.org/how-to/setup/) for quick setup instructions for setting up your own repository based on this template.
 

files/system/etc/.gitkeep

@@ -0,0 +1 @@
+

recipes/recipe.yml

@@ -5,16 +5,15 @@ description: This is my personal OS image.
 
 # the base image to build on top of (FROM) and the version tag to use
 base-image: ghcr.io/ublue-os/silverblue-main
-image-version: 39 # latest is also supported if you want new updates ASAP
+image-version: 40 # latest is also supported if you want new updates ASAP
 
 # module configuration, executed in order
 # you can include multiple instances of the same module
 modules:
   - type: files
     files:
-      - usr: /usr # copies config/files/usr into your image's /usr.
-                  # put configuration files you want in /etc/ on a booted system 
-                  # in /usr/etc/ in the image. read more in files module reference.
+      - source: system
+        destination: / # copies files/system/* (* means everything inside it) into your image's root folder /
 
   - type: rpm-ostree
     repos: