Fix validation issues; remove paid warning

self-host/manual/kubernetes/gitops/flux.mdx

@@ -1,7 +1,9 @@
 ---
 title: "Flux"
 description: "Deploy Pangolin and Newt using Flux for Git-driven GitOps reconciliation."
----Flux is a declarative GitOps tool that uses Kubernetes-native Custom Resources to manage deployments. This guide covers installing Pangolin and Newt using Flux.
+---
+
+Flux is a declarative GitOps tool that uses Kubernetes-native Custom Resources to manage deployments. This guide covers installing Pangolin and Newt using Flux.
 
 
 ## Flux prerequisites

self-host/manual/kubernetes/helm.mdx

@@ -1,7 +1,9 @@
 ---
 title: "Helm"
 description: "Kubernetes installation using Helm charts for Pangolin and Newt."
----Helm is the recommended method for standard Kubernetes installations of Pangolin and Newt.
+---
+
+Helm is the recommended method for standard Kubernetes installations of Pangolin and Newt.
 
 Use Helm when you want a chart-based workflow for installing, upgrading, rolling back, and removing releases from your cluster.
 

self-host/manual/kubernetes/newt/helm.mdx

@@ -1,7 +1,9 @@
 ---
 title: "Helm"
 description: "Quick-start guide for installing Site (newt) on Kubernetes using Helm."
----This guide installs and manages Site (newt) in Kubernetes using Helm.
+---
+
+This guide installs and manages Site (newt) in Kubernetes using Helm.
 
 See [Version Matrix](https://github.com/fosrl/helm-charts/VERSION_MATRIX.md) for chart and default app version references.
 

self-host/manual/kubernetes/pangolin/helm.mdx

@@ -1,7 +1,9 @@
 ---
 title: "Helm"
 description: "Quick-start guide for installing Pangolin on Kubernetes using Helm."
----<Warning>
+---
+
+<Warning>
 The Pangolin Helm chart is currently alpha (`0.1.0-alpha.0`). Test installs and upgrades in a non-production environment before using the chart for production traffic.
 </Warning>