✨ Adding 'koalabear' (#195)

* Add new 'koalabear' app chain to project

A new app chain named 'koalabear' has been added to the project. The specific JSON file includes all necessary details such as name, logo, rpc_url, explorer_url, metrics endpoint and its unique identifier.

* prettier fixes

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Co-authored-by: apoorvsadana <95699312+apoorvsadana@users.noreply.github.com>

app_chains/b9b2810d-6624-4d10-9b07-de3dabbacb35.json

@@ -0,0 +1,8 @@
+{
+  "name": "koalabear",
+  "logo": "https://i.imgur.com/GuYuUjn.jpeg",
+  "rpc_url": "http://49.13.201.42:9944",
+  "explorer_url": "http://49.13.201.42:4000",
+  "metrics_endpoint": "http://49.13.201.42:9615/metrics",
+  "id": "b9b2810d-6624-4d10-9b07-de3dabbacb35"
+}