Update README File

.env.sample

@@ -1,2 +1,2 @@
-REACT_APP_TMDB_URL=
-REACT_APP_TMDB_API_KEY=
+REACT_APP_TMDB_URL="Add here the TMDB base URL"
+REACT_APP_TMDB_API_KEY="Add here the TMDB API Key"

README.md

@@ -19,7 +19,13 @@ https://user-images.githubusercontent.com/69651552/138542024-937ee1bd-c31c-435b-
     - 1- Fork, clone or download this repository to your local machine.
     - 2- Be sure that you install the [Node.js](https://nodejs.org/en/) environment in your machine.
     - 3- Open your terminal and be sure that you are inside the correct destination of the App, while you must be in the same path of the package.json file.
-    - 4- inside your terminal run these commands:-
+    - 4- Create a (.env) file and add the following environment variables into it:
+
+        ```
+        REACT_APP_TMDB_URL="Add here the TMDB base URL"
+        REACT_APP_TMDB_API_KEY="Add here the TMDB API Key"
+        ```
+    - 5- Inside your terminal run these commands:-
 
         * to install dependencies.
         ```
@@ -29,8 +35,8 @@ https://user-images.githubusercontent.com/69651552/138542024-937ee1bd-c31c-435b-
         ```
         npm start
         ```
-    - 5- Once the App server is running visit (localhost:3000) in the browser to view the App and now you can treat with it as shown above in the Demo.
-    - 6- You can also see a live preview of the App from this link (https://cinema-universe.netlify.app/)
+    - 6- Once the App server is running visit (localhost:3000) in the browser to view the App and now you can treat with it as shown above in the Demo.
+    - 7- You can also see a live preview of the App from this link (https://cinema-universe.netlify.app/)
 
 ## Pages