docs: enhance Salesforce Toolkit documentation (#31387)
## PR Title
```
docs: enhance Salesforce Toolkit documentation
```
## PR Description
**Description:** Enhanced the Salesforce Toolkit documentation to
provide a more comprehensive overview of the `langchain-salesforce`
package. The updates include improved descriptions of the toolkit's
capabilities, detailed setup instructions for authentication using
environment variables, updated code snippets with consistent parameter
naming and improved readability, and additional resources with API
references for better user guidance.
**Issue:** N/A (documentation improvement)
**Dependencies:** None
**Twitter handle:** @colesmcintosh
---
### Changes Made:
- Improved description of the Salesforce Toolkit's capabilities and
features
- Added detailed setup instructions for authentication using environment
variables
- Updated code snippets to use consistent parameter naming and improved
readability
- Included additional resources and API references for better user
guidance
- Enhanced overall documentation structure and clarity
### Files Modified:
- `docs/docs/integrations/tools/salesforce.ipynb` (83 insertions, 36
deletions)
This is a documentation-only change that improves the user experience
for developers working with the Salesforce Toolkit. The changes are
backwards compatible and follow LangChain's documentation standards.
---------
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
