docs: replace touch with cat

doc/md/tutorial/cue.mdx

@@ -43,7 +43,9 @@ add the following CUE configuration to it.
 
 ```bash
 mkdir -p components/podinfo
-touch components/podinfo/podinfo.cue
+```
+```bash
+cat <<EOF > components/podinfo/podinfo.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -66,11 +68,14 @@ Component: #Helm & {
 	}
 }
 ```
+```bash
+EOF
+```
 
 Integrate the component with the platform.
 
 ```bash
-touch platform/podinfo.cue
+cat <<EOF > platform/podinfo.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -80,6 +85,9 @@ Platform: Components: podinfo: {
 	path: "components/podinfo"
 }
 ```
+```bash
+EOF
+```
 
 Render the platform.
 
@@ -113,7 +121,7 @@ component kind.  This field is a convenient wrapper around the core [BuildPlan]
 Create the mixins.cue file.
 
 ```bash
-touch components/podinfo/mixins.cue
+cat <<EOF > components/podinfo/mixins.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -142,6 +150,9 @@ Component: {
 	}
 }
 ```
+```bash
+EOF
+```
 
 :::important
 Holos uses CUE to validate mixed in resources against a schema.  The `Resources`

doc/md/tutorial/hello-holos.mdx

@@ -111,7 +111,9 @@ and then add the following CUE configuration to it.
 
 ```bash
 mkdir -p components/podinfo
-touch components/podinfo/podinfo.cue
+```
+```bash
+cat <<EOF > components/podinfo/podinfo.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -138,6 +140,9 @@ HelmChart: #Helm & {
 	}
 }
 ```
+```bash
+EOF
+```
 
 :::important
 CUE loads all of `*.cue` files in the component directory to define component,
@@ -155,10 +160,8 @@ platform root directory.  In this example, `#Helm` on line 6 is defined in
 Integrate the `podinfo` component into the platform by creating a new CUE file
 in the `platform` directory with the following content.
 
-<Tabs groupId="tutorial-hello-register-podinfo-component">
-  <TabItem value="platform/podinfo.cue" label="Register Podinfo">
 ```bash
-touch platform/podinfo.cue
+cat <<EOF > platform/podinfo.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -170,8 +173,9 @@ Platform: Components: podinfo: {
 	parameters: greeting: "Hello Holos!"
 }
 ```
-  </TabItem>
-</Tabs>
+```bash
+EOF
+```
 
 :::tip
 Component parameters may have any name as long as they don't start with

doc/md/tutorial/helm-values.mdx

@@ -59,14 +59,12 @@ the following file contents.
 
 ```bash
 mkdir -p components/prometheus components/blackbox
-touch components/prometheus/prometheus.cue
-touch components/blackbox/blackbox.cue
 ```
 
 <Tabs groupId="D15A3008-1EFC-4D34-BED1-15BC0C736CC3">
   <TabItem value="prometheus.cue" label="prometheus.cue">
-```txt
-components/prometheus/prometheus.cue
+```bash
+cat <<EOF > components/prometheus/prometheus.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -84,11 +82,14 @@ Helm: #Helm & {
 		}
 	}
 }
+```
+```bash
+EOF
 ```
   </TabItem>
   <TabItem value="blackbox.cue" label="blackbox.cue">
-```txt
-components/blackbox/blackbox.cue
+```bash
+cat <<EOF > components/blackbox/blackbox.cue
 ```
 ```cue showLineNumbers
 package holos
@@ -106,6 +107,9 @@ Helm: #Helm & {
 		}
 	}
 }
+```
+```bash
+EOF
 ```
   </TabItem>
 </Tabs>
@@ -116,9 +120,8 @@ Integrate the components with the platform by adding the following file to the
 platform directory.
 
 ```bash
-touch platform/prometheus.cue
+cat <<EOF > platform/prometheus.cue
 ```
-
 ```cue showLineNumbers
 package holos
 
@@ -133,6 +136,9 @@ Platform: Components: {
 	}
 }
 ```
+```bash
+EOF
+```
 
 Render the platform.
 
@@ -243,9 +249,8 @@ use.  We add this configuration to the `components` directory so it's in scope
 for all components.
 
 ```bash
-touch components/blackbox.cue
+cat <<EOF > components/blackbox.cue
 ```
-
 ```cue showLineNumbers
 package holos
 
@@ -263,6 +268,9 @@ Blackbox: #Blackbox & {
 	port: 9115
 }
 ```
+```bash
+EOF
+```
 
 :::important
 1. CUE loads and unifies all `*.cue` files from the root directory containing

doc/md/tutorial/kustomize.mdx

@@ -61,11 +61,12 @@ Create the `httpbin` component directory and add the `httpbin.cue` and
   <TabItem value="setup" label="Setup">
 ```bash
 mkdir -p components/httpbin
-touch components/httpbin/httpbin.cue
-touch components/httpbin/httpbin.yaml
 ```
   </TabItem>
   <TabItem value="components/httpbin/httpbin.cue" label="httpbin.cue">
+```bash
+cat <<EOF > components/httpbin/httpbin.cue
+```
 ```cue showLineNumbers
 package holos
 
@@ -97,9 +98,15 @@ Kustomize: #Kustomize & {
 		}
 	}
 }
+```
+```bash
+EOF
 ```
   </TabItem>
   <TabItem value="components/httpbin/httpbin.yaml" label="httpbin.yaml">
+```bash
+cat <<EOF > components/httpbin/httpbin.yaml
+```
 ```yaml showLineNumbers
 # https://github.com/mccutchen/go-httpbin/blob/v2.15.0/kustomize/resources.yaml
 apiVersion: apps/v1
@@ -137,6 +144,9 @@ spec:
       protocol: TCP
       name: http
       appProtocol: http
+```
+```bash
+EOF
 ```
   </TabItem>
 </Tabs>
@@ -150,9 +160,8 @@ Integrate `httpbin` with the platform by adding the following file to the
 platform directory.
 
 ```bash
-touch platform/httpbin.cue
+cat <<EOF > platform/httpbin.cue
 ```
-
 ```cue showLineNumbers
 package holos
 
@@ -163,6 +172,9 @@ Platform: Components: {
 	}
 }
 ```
+```bash
+EOF
+```
 
 Render the platform.
 
@@ -275,13 +287,9 @@ makes this easier with CUE.  We don't need to edit any yaml files.
 Add a new `patches.cue` file to the `httpbin` component with the following
 content.
 
-<Tabs groupId="104D40FD-ED59-4F66-8B91-435436084743">
-  <TabItem value="touch" label="touch">
 ```bash
-touch components/httpbin/patches.cue
+cat <<EOF > components/httpbin/patches.cue
 ```
-  </TabItem>
-  <TabItem value="patches.cue" label="patches.cue">
 ```cue showLineNumbers
 package holos
 
@@ -300,8 +308,9 @@ Kustomize: KustomizeConfig: Kustomization: _patches: {
 	}
 }
 ```
-  </TabItem>
-</Tabs>
+```bash
+EOF
+```
 
 :::note
 We use a hidden `_patches` field to easily unify data into a struct, then