fix: update sf-web-open README to recommend target org usage

- Changed -to option description from 'optional' to 'recommended'
- Removed example that assumes default org exists
- Added new example showing custom path usage
- Maintains consistency with environment where default org may not be configured
- Aligns documentation with script behavior

README.md

@@ -508,16 +508,13 @@ sf-web-open [-to ORG] [-pt PATH] [-ur] [-hp]
 ```
 
 **Options:**
-- `-to` - Target org alias or username (optional, uses default if not specified)
+- `-to` - Target org alias or username (recommended)
 - `-pt` - Relative path to open inside the org (e.g., "/lightning/setup/SetupOneHome/home")
 - `-ur` - URL-only: print the URL instead of opening a browser
 - `-hp` - Show help
 
 **Examples:**
 ```bash
-# Open the current default org
-sf-web-open
-
 # Open a specific org (default home)
 sf-web-open -to DEMO-ORG
 
@@ -526,6 +523,9 @@ sf-web-open -to NUSHUB-DR2 -pt "/lightning/setup/SetupOneHome/home"
 
 # Get just the URL for scripting
 sf-web-open -to NUSHUB-DR2 -ur
+
+# Open org with custom path
+sf-web-open -to MYORG -pt "/lightning/setup/ObjectManager/home"
 ```
 
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