Intergrate the heatmap generation with the API

Issue:
https://github.com/genenetwork/gn-gemtext-threads/blob/main/topics/gn1-migration-to-gn2/clustering.gmi

* Intergrate the heatmap generation code on the /api/heatmaps/clustered
  endpoint.

  The endpoint should take a json query of the form:

      {"traits_names": [ ... ] }

  where the "traits_name" value is a list of the full names of traits.

  A sample query to the endpoint could be something like the following:

      curl -i -X POST "http://localhost:8080/api/heatmaps/clustered" \
           -H "Accept: application/json" \
           -H "Content-Type: application/json" \
           -d '{
          "traits_names": [
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM103710672",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM2260338",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM3140576",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM5670577",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM2070121",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM103990541",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM1190722",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM6590722",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM4200064",
      	    "UCLA_BXDBXH_CARTILAGE_V2::ILM3140463"
          ]
      }'

  which should respond with a json response containing the raw binary string
  for the png format and possibly another for the svg format.

1 files changed, 2 insertions, 0 deletions

diff --git a/gn3/app.py b/gn3/app.py
index 046b5de..b4b08d0 100644
--- a/gn3/app.py
+++ b/gn3/app.py
@@ -7,6 +7,7 @@ from flask import Flask
 from gn3.api.gemma import gemma
 from gn3.api.rqtl import rqtl
 from gn3.api.general import general
+from gn3.api.heatmaps import heatmaps
 from gn3.api.correlation import correlation
 from gn3.api.data_entry import data_entry
 
@@ -30,6 +31,7 @@ def create_app(config: Union[Dict, str, None] = None) -> Flask:
     app.register_blueprint(general, url_prefix="/api/")
     app.register_blueprint(gemma, url_prefix="/api/gemma")
     app.register_blueprint(rqtl, url_prefix="/api/rqtl")
+    app.register_blueprint(heatmaps, url_prefix="/api/heatmaps")
     app.register_blueprint(correlation, url_prefix="/api/correlation")
     app.register_blueprint(data_entry, url_prefix="/api/dataentry")
     return app