add paypal and kofi

Author: exedealer

.github/funding.yml

@@ -0,0 +1,2 @@
+ko_fi: exedealer
+custom: ['https://paypal.me/exedealer']

readme.md

@@ -1,25 +1,36 @@
 # pgBlackboard
 
-Web interface for PostgreSQL
+PostgreSQL web interface with no training wheels
 
-- Multi-statement scripts
+- SQL-first, multi-statement scripts
+- Editable query results
 - PostGIS support
-- Inplace data editing
 
-![screenshot](./screenshot.png)
+![screenshot](https://raw.githubusercontent.com/exedealer/pgblackboard/refs/heads/main/screenshot.png)
 
-# Docker image
+# Docker
 
-https://hub.docker.com/r/exedealer/pgblackboard
+[Docker Hub repo](https://hub.docker.com/r/exedealer/pgblackboard)
 
-```
-docker run -it --rm -p 7890:7890 exedealer/pgblackboard pgbb postgres://HOST:5432
+```sh
+docker run -it --rm -p 7890:7890 exedealer/pgblackboard \
+  pgbb 'postgres://HOST:5432'
 ```
 
 ```yaml
 services:
   pgbb:
     image: exedealer/pgblackboard
-    ports: [7890:7890]
-    command: [pgbb, postgres://HOST:5432]
+    ports: ['7890:7890']
+    command: [pgbb, 'postgres://HOST:5432']
 ```
+
+# Sponsorship
+
+If you find this project useful, consider supporting its development!
+Your contributions help maintain and improve the project.
+
+[![PayPal](https://img.shields.io/badge/paypal-donate-blue?logo=paypal&logoColor=white&style=for-the-badge)](https://paypal.me/exedealer)
+
+[![Ko-fi](https://img.shields.io/badge/ko--fi-donate-blue?logo=ko-fi&logoColor=white&style=for-the-badge
+)](https://ko-fi.com/exedealer)