GIT-2045: enable versioning and strict slash on BlueprintGroup (#2047)

* GIT-2045: enable versioning and strict slash on BlueprintGroup

* GIT-2045: convert named tuple into typed format + unit tests

* GIT-2045: add example code for versioned bpg

* GIT-2045: None value for strict slashes check

* GIT-2045: refactor handler types and add benchmark for urlparse

* GIT-2045: reduce urlparse benchmark iterations

* GIT-2045: add unit test and url merge behavior

* GIT-2045: cleanup example code and remove print

* GIT-2045: add test for slash duplication avoidence

* GIT-2045: fix issue with tailing / getting appended

* GIT-2045: use Optional instead of Union for Typing

* GIT-2045: use string for version arg

* GIT-2045: combine optional with union

examples/versioned_blueprint_group.py

@@ -0,0 +1,35 @@
+from sanic import Sanic
+from sanic.blueprints import Blueprint
+from sanic.response import json
+
+
+app = Sanic(name="blue-print-group-version-example")
+
+bp1 = Blueprint(name="ultron", url_prefix="/ultron")
+bp2 = Blueprint(name="vision", url_prefix="/vision", strict_slashes=None)
+
+bpg = Blueprint.group([bp1, bp2], url_prefix="/sentient/robot", version=1, strict_slashes=True)
+
+
+@bp1.get("/name")
+async def bp1_name(request):
+    """This will expose an Endpoint GET /v1/sentient/robot/ultron/name"""
+    return json({"name": "Ultron"})
+
+
+@bp2.get("/name")
+async def bp2_name(request):
+    """This will expose an Endpoint GET /v1/sentient/robot/vision/name"""
+    return json({"name": "vision"})
+
+
+@bp2.get("/name", version=2)
+async def bp2_revised_name(request):
+    """This will expose an Endpoint GET /v2/sentient/robot/vision/name"""
+    return json({"name": "new vision"})
+
+
+app.blueprint(bpg)
+
+if __name__ == '__main__':
+    app.run(host="0.0.0.0", port=8000)