Add tags for better discoverability and integration

This PRs add meta-tags to display the model as an adapter and help discoverability, ecosystem integration and diffusers compatibility


Besides this PR, we would suggest that a cool model card is built so folks can see examples/interact more, check out this as an example:
- https://huggingface.co/alvdansen/frosting_lane_flux
- https://huggingface.co/alvdansen/frosting_lane_flux/blob/main/README.md

README.md

@@ -2,4 +2,10 @@
 license: other
 license_name: flux-1-dev-non-commercial-license
 license_link: https://huggingface.co/black-forest-labs/FLUX.1-dev/blob/main/LICENSE.md
+base_model: black-forest-labs/FLUX.1-dev
+pipeline_tag: text-to-image
+tags:
+- diffusers
+- lora
+- flux
 ---