fix: fal ai image generation doc - #1038

Fetching and validating config file...
Successfully validated docs.json
Fetching .mintignore file...
No .mintignore file found
file too large - skipping: images/autogen/autogen-1.gif
file too large - skipping: images/autogen/autogen-2.gif
file too large - skipping: images/autogen/autogen-3.gif
file too large - skipping: images/autogen/autogen-4.gif
file too large - skipping: images/autogen/autogen-5.gif
file too large - skipping: images/changelog/model-catalog.mp4
file too large - skipping: images/libraries/dspy-traces.gif
file too large - skipping: images/product/ai-gateway/ai-32.gif
file too large - skipping: images/product/metadata-logs.gif
file too large - skipping: images/product/saved-filters.gif
Fetched all file paths
Fetched 2 OpenApi file(s):
  - openapi/portkey-models.json
  - https://raw.githubusercontent.com/Portkey-AI/openapi/refs/heads/master/openapi.yaml
Fetched 0 AsyncApi file(s)
Skipped OpenAPI navigation generation
Skipped AsyncAPI navigation generation
No SDK reference pages configured
No GraphQL reference pages configured
No GraphQL deployment changes required
Persisted 0 generated API page(s)
No GraphQL deployment changes required
Successfully updated API reference metadata.
Updating all paths...
Successfully updated deployment
Successfully saved config
Updating navigation...
Navigation updated
Skipped search indexing (preview indexing paused)