Update README.md

Author: bipinkrish

README.md

@@ -12,3 +12,36 @@ a user-friendly interface that allows for easy input of destination and preferen
 clear and concise directions to users throughout their journey. The application should also
 have the ability to update its route based on real-time traffic or other factors that may affect
 travel time.*
+
+## API KEY
+
+*You need set key in 2 places*
+* [Android Mainifest](https://github.com/bipinkrish/campusmap/blob/main/android/app/src/main/AndroidManifest.xml#L45)
+* [Main File](https://github.com/bipinkrish/campusmap/blob/main/lib/main.dart#L15)
+
+## Guide
+
+To use/run this you need Flutter framework installed and a Android Device
+
+```
+git clone https://github.com/bipinkrish/campusmap
+cd campusmap
+flutter pub get
+flutter run
+```
+
+## Previews
+
+<div>
+  <img width="45%" src="https://github.com/bipinkrish/campusmap/assets/87369440/39aa150b-63c4-46f3-a0d1-9e1ab1475c7c">
+  <img width="45%" src="https://github.com/bipinkrish/campusmap/assets/87369440/24ee9581-f506-4d97-ac92-fe13cebda151">
+</div>
+<br>
+<div>
+  <img width="45%" src="https://github.com/bipinkrish/campusmap/assets/87369440/ea764f1d-63a2-4cb0-9bde-ab882ff1068b">
+  <img width="45%" src="https://github.com/bipinkrish/campusmap/assets/87369440/e07a0b75-3d1d-400b-9768-b9c1974a2b35">
+</div>
+<div>
+  <img width="45%" src="https://github.com/bipinkrish/campusmap/assets/87369440/43bcb35a-68ba-4cac-81e0-0350ab68894a">
+  <img width="45%" src="https://github.com/bipinkrish/campusmap/assets/87369440/c3005a01-13a7-43f1-a3c9-40b6f39a96fe">
+</div>