Fix: postinstall to rename source json file after npm install

Author: kibongos40

package-lock.json

@@ -7,7 +7,8 @@
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
     "start": "node index.js",
-    "dev": "nodemon index.js"
+    "dev": "nodemon index.js",
+    "postinstall": "mv ./node_modules/rwanda-geo-structure/rwanda.json ./node_modules/rwanda-geo-structure/Rwanda.json || true"
   },
   "keywords": [
     "rwanda-geo-structure",