feat: add admin publishing workflow and yar theme

Add Go/Postgres admin APIs, Angular admin UI, manual build flow, asset uploads, markdown import/export, configurable slug generation, and the Yar reading theme. Exclude local docs and generated development artifacts from version control.

content/posts/debtap.md

@@ -0,0 +1,40 @@
+---
+id: 2d63bae5-7edc-4bd1-8332-0782bf2bda0a
+slug: debtap
+title: Debtap
+summary: ""
+status: published
+tags: []
+cover: ""
+version: 1
+slug_source: manual
+slug_locked: true
+published_at: "2023-03-26T15:54:44+08:00"
+created_at: "2023-03-26T15:54:44+08:00"
+updated_at: "2025-12-31T23:58:08+08:00"
+---
+
+## Setup
+``` bash
+==> You must run at least once "debtap -u"
+with root privileges (preferably recently),
+before running this script
+
+==> Syntax: debtap [option] package_filename
+
+==> Run "debtap -h" for help
+```
+
+### Update debtap source
+```bash
+$ debtap -u
+```
+
+### Convert deb package
+```bash
+debtap xxx.deb
+```
+### Install
+```bash
+sudo pacman -U xxx.pkg
+```