Add codecov for code coverage of python and javascript (#1170)

* Add codecov to Push Test workflow

* Empty commit

* Clear reports and tag each with flags

* Tag code reports by test

* Fix codecov tags

* One more fix

server/Makefile

@@ -7,4 +7,11 @@ clean:
 
 .PHONY: unit-test
 unit-test:
-	pytest -s test
+	PYTHONWARNINGS=ignore:ResourceWarning coverage run \
+		--source=app,cli,common,compute,converters,data_anndata,data_common,data_cxg \
+		--omit=.coverage,data_common/fbs/NetEncoding,venv \
+		-m unittest discover \
+		--start-directory test/ \
+		--top-level-directory ../ \
+		--verbose
+

server/requirements-dev.txt

@@ -3,4 +3,5 @@ bumpversion>=0.5
 parameterized>=0.7.0
 pytest>=3.6.3
 twine>=1.12.1
+codecov>=2.0.15
 -r requirements.txt