add basic docs

.vscode/dictionaries/project-words.txt

@@ -1,3 +1,4 @@
 autodiscover
 automerge
+Gitea
 tbd

README.md

@@ -6,26 +6,38 @@
 <p align="center">
   <a href="https://gitea.ocram85.com/renovate-bot/config/">
     <img
-      src="/renovate-bot/config/raw/branch/master/assets/social-logo.png"
+      src="./assets/social-logo.png"
       alt="config"
     >
   </a>
 </p>
 
 <h1 align="center">
-  config
+Local Renovate-Bot Config
 </h1>
 
 <p align="center">
-  
+Renovate-bot instance and preset config
 </p>
 
 <p align="center">
-  <a href="https://drone.ocram85.com/renovate-bot/config">
-    <img src="https://drone.ocram85.com/api/badges/renovate-bot/config/status.svg" alt="Master Branch Build Status">
+  <a href="https://ci.ocram85.com/renovate-bot/config">
+    <img src="https://ci.ocram85.com/api/badges/renovate-bot/config/status.svg" alt="Main Branch Build Status">
   </a>
 </p>
 
-## :book: General
+## 📖 General
 
-> :bulb: tbd...
+This repository contains the definition for local the local renovate-bot instance.
+Dependency updates will be checked weekly and executed as woodpecker cron job.
+
+|                      Config file | Description                                                                     |
+| -------------------------------: | ------------------------------------------------------------------------------- |
+|         [`config.js`](config.js) | Platform relevant config for local instance.                                    |
+|   [`default.json`](default.json) | Local preset for repos hosted by this Gitea instance.                           |
+| [`renovate.json`](renovate.json) | Basic onboarding which can be copied. Also enables renovate on this repository. |
+
+### Repository Onboarding
+
+1. First check if your Gitea account or organization is listed in the `autodiscoverFilter`.
+2. Copy the [`renovate.json`](renovate.json) file for basic onboarding. Modify the file based on your project needs.