docs: add note about not official product more prominently (#115)

.changeset/prominent-disclaimer.md

@@ -0,0 +1,5 @@
+---
+"@googleworkspace/cli": patch
+---
+
+Add prominent disclaimer that this is not an officially supported Google product to README, --help, and --version output

README.md

@@ -7,6 +7,9 @@
 **One CLI for all of Google Workspace — built for humans and AI agents.**<br>
 Drive, Gmail, Calendar, and every Workspace API. Zero boilerplate. Structured JSON output. 40+ agent skills included.
 
+> [!NOTE]
+> This is **not** an officially supported Google product.
+
 <p>
   <a href="https://www.npmjs.com/package/@googleworkspace/cli"><img src="https://img.shields.io/npm/v/@googleworkspace/cli" alt="npm version"></a>
   <a href="https://github.com/googleworkspace/cli/blob/main/LICENSE"><img src="https://img.shields.io/github/license/googleworkspace/cli" alt="license"></a>
@@ -351,4 +354,5 @@ Apache-2.0
 
 ## Disclaimer
 
-This is not an officially supported Google product.
+> [!CAUTION]
+> This is **not** an officially supported Google product.

src/main.rs

@@ -75,6 +75,7 @@ async fn run() -> Result<(), GwsError> {
 
     if is_version_flag(first_arg) {
         println!("gws {}", env!("CARGO_PKG_VERSION"));
+        println!("This is not an officially supported Google product.");
         return Ok(());
     }
 
@@ -397,6 +398,9 @@ fn print_usage() {
     println!("    Star the repo: https://github.com/googleworkspace/cli");
     println!("    Report bugs / request features: https://github.com/googleworkspace/cli/issues");
     println!("    Please search existing issues first; if one already exists, comment there.");
+    println!();
+    println!("DISCLAIMER:");
+    println!("    This is not an officially supported Google product.");
 }
 
 fn is_help_flag(arg: &str) -> bool {