fix: enhance iApp documentation for improved clarity and user experience

- Revised the iApp Generator section to clarify the process of building TEE-compatible applications, emphasizing ease of access and deployment.
- Improved the language for selecting project modes and languages, making it more user-friendly and accessible for developers of varying experience levels.

Author: akugone

src/build-iapp/guides/build-&-deploy-iapp.md

@@ -4,19 +4,18 @@ description:
   How to build an confidential iexec application and deploy it on iexec protocol
 ---
 
-
 ## iApp Generator: Your Development Tool
 
 Bootstrap TEE-compatible applications in minutes without any hardcoding skills,
 iApp Generator handles all the low-level complexity for you.
 
 - **Access to TEEs easily** - No need to dive into low-level requirements, build
-  iApps that connect to TEE in minutes
+  iApps that connect to TEEs in minutes.
 - **Check and deploy iApps quickly** - iApp Generator checks that your iApp
-  complies with the iExec Framework and streamlines its deployment
-- **Select your project mode & language** - Select between basic or advanced
-  setup depending on your iExec level experience. You also have the choice
-  between Python or JavaScript
+  complies with the iExec Framework and streamlines its deployment.
+- **Select your project mode & language** - Get started with either a basic or
+  advanced setup, depending on your experience with the iExec framework. You can
+  use Python or JavaScript—whichever you prefer!
 
 ```bash
 # Create your iApp (Python or Node.js supported)