Add Simple Server and Coverage action (#2168)

* Add Simple Server and CodeCov action

* Remove token

* Codecov to tox.ini

* fix tox

* Set coverage location

* Add ignore to codecov

* Try glob ignore

* Setup CodeClimate

* Allow coverage check to run

* Change coverage check

* Add codeclimate exclusions

.coveragerc

@@ -1,7 +1,12 @@
 [run]
 branch = True
 source = sanic
-omit = site-packages, sanic/utils.py, sanic/__main__.py
+omit =
+    site-packages
+    sanic/__main__.py
+    sanic/reloader_helpers.py
+    sanic/simple.py
+    sanic/utils.py
 
 [html]
 directory = coverage