🎉 New Source: Webflow (#13617)

* Added webflow code

* Updated readme

* Updated README

* Added webflow to source_definitions.yaml

* Enhanced documentation for the Webflow source connector

* Improved webflow source connector instructions

* Moved Site ID to before API token in Spec.yaml (for presentation in the UI)

* Addressed comments in PR.

* Changes to address requests in PR review

* Removed version from config

* Minor udpate to spec.yaml for clarity

* Updated to pass the accept-version as a constant rather than parameter

* Updated check_connection to hit the collections API that requires both site id and the authentication token.

* Fixed the test_check_connection to use the new check_connection function

* Added a streams test for generate_streams

* Re-named "autentication" object to "auth" to be more consistent with the way it is created by the CDK

* Added in an explict line to instantiante an "auth" object from WebflowTokenAuthenticator, to make it easier to describe in the blog

* Fixed a typo in a comment

* Renamed some classes to be more intuitive

* Renamed class to be more intuitive

* Minor change to an internal method name

* Made _get_collection_name_to_id_dict staticmethod

* Fixed a unit-test error that only appeared when running " python -m pytest -s unit_tests".
This was caused by Mocked settings from test_source.py leaking into test_streams.py

* format: add double quotes and remove unused import

* readme: remove semantic version naming of connector in build commands

* Updated spec.yaml

* auto-bump connector version

* format files

* add changelog

* update dockerfile

* auto-bump connector version

Co-authored-by: sajarin <sajarindider@gmail.com>
Co-authored-by: Octavia Squidington III <octavia-squidington-iii@users.noreply.github.com>
Co-authored-by: marcosmarxm <marcosmarxm@gmail.com>

airbyte-integrations/connectors/source-webflow/source_webflow/spec.yaml

@@ -0,0 +1,23 @@
+documentationUrl: https://docs.airbyte.io/integrations/sources/webflow
+connectionSpecification:
+  $schema: http://json-schema.org/draft-07/schema#
+  title: Webflow Spec
+  type: object
+  required:
+    - api_key
+    - site_id
+  additionalProperties: false
+  properties:
+    site_id:
+      title: Site id
+      type: string
+      description: "The id of the Webflow site you are requesting data from. See https://developers.webflow.com/#sites"
+      example: "a relatively long hex sequence"
+      order: 0
+    api_key:
+      title: API token
+      type: string
+      description: "The API token for authenticating to Webflow. See https://university.webflow.com/lesson/intro-to-the-webflow-api"
+      example: "a very long hex sequence"
+      order: 1
+      airbyte_secret: true