K3S-Deploy: rename readme.md -> README.md; align options table

- match the global README.md convention; update the reference in k3s.sh
- pad the options table so it reads cleanly in raw and rendered views,
  kept under the 80-col markdownlint limit

Kubernetes/K3S-Deploy/README.md

@@ -53,11 +53,11 @@ duplicate LoadBalancer controllers.
 
 ### Options (environment variables)
 
-| Variable | Purpose |
-| --- | --- |
-| `ASSUME_YES=1` | Skip the pre-flight `[y/N]` prompt (unattended runs). |
-| `NO_COLOR=1` | Disable colored output. |
-| `RAW_BASE=<url>` | Base URL for manifests (default: `main`). |
+| Variable         | Purpose                                               |
+| ---------------- | ----------------------------------------------------- |
+| `ASSUME_YES=1`   | Skip the pre-flight `[y/N]` prompt (unattended runs). |
+| `NO_COLOR=1`     | Disable colored output.                               |
+| `RAW_BASE=<url>` | Base URL for the sibling manifests (default: `main`). |
 
 ### Tracking the latest k3s instead of a pinned version
 

Kubernetes/K3S-Deploy/k3s.sh

@@ -2,7 +2,7 @@
 #
 # JimsGarage — K3S HA deploy (k3sup + kube-vip + MetalLB)
 # Tutorial: https://youtube.com/@jims-garage
-# See ./readme.md for prerequisites, configuration, and what changed
+# See ./README.md for prerequisites, configuration, and what changed
 # from the original video.
 
 set -euo pipefail
@@ -166,7 +166,7 @@ fi
 # ── Step 2/9 · SSH keys and known_hosts ────────────────────────────────
 step "Step 2/9 · SSH keys and known_hosts"
 mkdir -p "$HOME/.ssh"; chmod 700 "$HOME/.ssh"
-# If the key was dropped in $HOME (per the readme), move it into ~/.ssh.
+# If the key was dropped in $HOME (per the README), move it into ~/.ssh.
 if [[ -f "$HOME/$certName" && ! -f "$ssh_key" ]]; then
   info "Moving $certName into ~/.ssh"
   cp "$HOME/$certName" "$ssh_key"