Get rid of all transport types and settle on Protobuf (#25)

* Get rid of all transport types and settle on Protobuf

hope i don't regret this

* Update Cargo.toml

* Update agent.py

python/djls/proto/v1/django_pb2.pyi

@@ -0,0 +1,25 @@
+# WARNING: This file is generated by protobuf. DO NOT EDIT!
+# Any changes made to this file will be overwritten when the protobuf files are regenerated.
+# Source: v1/django.proto
+
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from typing import ClassVar as _ClassVar, Mapping as _Mapping, Optional as _Optional, Union as _Union
+
+DESCRIPTOR: _descriptor.FileDescriptor
+
+class Project(_message.Message):
+    __slots__ = ("version",)
+    VERSION_FIELD_NUMBER: _ClassVar[int]
+    version: str
+    def __init__(self, version: _Optional[str] = ...) -> None: ...
+
+class GetProjectInfoRequest(_message.Message):
+    __slots__ = ()
+    def __init__(self) -> None: ...
+
+class GetProjectInfoResponse(_message.Message):
+    __slots__ = ("project",)
+    PROJECT_FIELD_NUMBER: _ClassVar[int]
+    project: Project
+    def __init__(self, project: _Optional[_Union[Project, _Mapping]] = ...) -> None: ...