infra: added Codecov yml (anuraghazra#149)

* chore: test codecov

* fix: workflow file

* fix: workflow file

* chore: added coverage in vercelignore

* docs: added codecov badge

* chore: add codecov.yml

Author: anuraghazra

codecov.yml

@@ -0,0 +1,10 @@
+codecov:
+  require_ci_to_pass: yes
+
+coverage:
+  precision: 2
+  round: down
+  range: "70...100"
+
+  status:
+    patch: false