chore: fix nix hash and docs version

docs/Bare-Metal.md

@@ -30,7 +30,7 @@ Clone the Headplane repository, install dependencies, and build the project:
 ```sh
 git clone https://github.com/tale/headplane
 cd headplane
-git checkout 0.5.10 # Or whatever tag you want to use
+git checkout v0.6.0 # Or whatever tag you want to use
 pnpm install
 pnpm build
 ```

docs/Integrated-Mode.md

@@ -34,7 +34,7 @@ Here is what a sample Docker Compose deployment would look like:
 services:
   headplane:
     # I recommend you pin the version to a specific release
-    image: ghcr.io/tale/headplane:0.5.10
+    image: ghcr.io/tale/headplane:0.6.0
     container_name: headplane
     restart: unless-stopped
     ports:
@@ -154,7 +154,7 @@ spec:
       serviceAccountName: default
       containers:
       - name: headplane
-        image: ghcr.io/tale/headplane:0.5.10
+        image: ghcr.io/tale/headplane:0.6.0
         env:
         # Set these if the pod name for Headscale is not static
         # We will use the downward API to get the pod name instead

docs/Simple-Mode.md

@@ -19,7 +19,7 @@ Here is what a sample Docker Compose deployment would look like:
 services:
   headplane:
     # I recommend you pin the version to a specific release
-    image: ghcr.io/tale/headplane:0.5.10
+    image: ghcr.io/tale/headplane:0.6.0
     container_name: headplane
     restart: unless-stopped
     ports: