Fix CI linting rules and trailing blanks

.gitea/workflows/ci.yml

@@ -1,3 +1,4 @@
+---
 name: CI
 
 on:
@@ -93,5 +94,4 @@ jobs:
           set -euo pipefail
           # Lint tracked YAML only (avoid .git and other noise)
           . .venv/bin/activate
-          git ls-files '*.yml' '*.yaml' | xargs -r yamllint -d "{extends: default, rules: {line-length: disable}}"
-
+          git ls-files '*.yml' '*.yaml' | xargs -r yamllint -d "{extends: default, rules: {document-start: disable, truthy: disable, line-length: disable}}"

.markdownlint-cli2.yaml

@@ -1,4 +1,4 @@
+---
 # Notes repo: long lines (IPs, commands, URLs) are common.
 config:
   MD013: false
-

README.md

@@ -21,4 +21,3 @@ Personal notes for my homelab: build logs, configs, and operational runbooks for
 ## Status
 
 This is an actively evolving notebook. Some sections may be incomplete or “work in progress”.
-