Add Kottster (#1348)

Co-authored-by: Kieran <32241933+Ki-er@users.noreply.github.com>
Co-authored-by: nodiscc <nodiscc@gmail.com>

software/kottster.yml

@@ -0,0 +1,12 @@
+name: "Kottster"
+website_url: "https://kottster.app/"
+source_code_url: "https://github.com/kottster/kottster"
+description: "Low-code admin panel that connects to your database and automatically generates pages to view and manage your data."
+licenses:
+  - Apache-2.0
+platforms:
+  - Nodejs
+  - Docker
+tags:
+  - Database Management
+demo_url: "https://demo.kottster.app/"