Update README.md

Added Catima entry to the data.json

README.md

@@ -120,6 +120,7 @@ If you would like to be guided through how to contribute to a repository on GitH
 ## Java
 
 - [appsmith](https://github.com/appsmithorg/appsmith) _(label: good first issue)_ <br> Drag & Drop internal tool builder
+- [Catima - Android App](https://github.com/CatimaLoyalty/Android) _(label: good first issue)_ <br> Catima, a Loyalty Card & Ticket Manager for Android
 - [Codename One](https://github.com/codenameone/CodenameOne) _(label: good first issue)_ <br> Cross-platform mobile app development framework for Java developers
 - [DSA](https://github.com/abhishektripathi66/DSA) _(label: good first issue)_ <br> DSA questions practising repo for Java developers
 - [elasticsearch](https://github.com/elastic/elasticsearch) _(label: good first issue)_ <br> Open Source, Distributed, RESTful Search Engine.

data.json

@@ -2213,6 +2213,15 @@
             ],
             "description": "Teleconference system with a web based user interface written in Rust"
 	},
+	{
+	    "name": "Catima - Android App",
+	    "link": "https://github.com/CatimaLoyalty/Android",
+	    "label": "good first issue",
+	    "technologies": [
+		    "Java"
+	    ],
+	    "description": "Catima, a Loyalty Card & Ticket Manager for Android"
+	},
         {
             "name": "FastAPI",
             "link": "https://github.com/tiangolo/fastapi",