Move Pipet Code Agent example to examples/gemini (#312)

* Move Pipet Code Agent example to examples/gemini
- update project README.md to reflect change
- update demos/palm/README.md to point to new location

* Fixed landing directory, re-added /.vscode files

Author: joefernandez

.gitignore

@@ -3,7 +3,6 @@
 **/.DS_Store
 **/.idea
 **/.ipynb_checkpoints
-**/.vscode
 **/proofreading
 **/venv
 **/.python-version

demos/palm/README.md

@@ -6,3 +6,12 @@ Demos are considered to be larger than examples and consist of working apps.
 
 Smaller, specific examples can be found in the
 [`examples/`](../../examples/palm) directory.
+
+## Updates
+
+Some of these code projects have been updated and moved to the /examples/gemini directory, including:
+
+-   **Docs Agent** - /demos/palm/python/docs-agent/ moved to: 
+    [/examples/gemini/python/docs-agent/](https://github.com/google/generative-ai-docs/tree/main/examples/gemini/python/docs-agent)
+-  **Pipet Code Agent** - /demos/palm/node/pipet-code-agent/ moved to: 
+    [/examples/gemini/node/pipet-code-agent/](https://github.com/google/generative-ai-docs/tree/main/examples/gemini/node/pipet-code-agent)