[SILO-598] feat: Handcrafted SDK v0.2.0 (#7)

* WIP: Plane Python SDK V2

* Change the workitem custom property value resource to work with the new api endpoint

* Added support for multi value properties. Fixed some bugs around cycles

* Finalized the APIs for SDK.

    - Introduced new test scripts for comprehensive testing of various SDK functionalities.
    - Updated README.md to reflect changes and added a link to the documentation.
    - Enhanced model configurations to allow extra fields in Pydantic models.
    - Added LICENSE file for project licensing.

* Updated to the correct version

* Add examples for Plane Python SDK

- Introduced `create_work_items.py` to demonstrate project creation, state and label setup, and work item management.
- Added `setup_project.py` for comprehensive project setup including work item types, states, and labels.
- Created `README.md` to provide an overview and usage instructions for examples.
- Added `SETUP.md` for environment setup guidance and troubleshooting tips.

* Update environment variable references in test scripts and documentation

- Changed all instances of `BASE_URL`, `API_KEY`, and `ACCESS_TOKEN` to `PLANE_BASE_URL`, `PLANE_API_KEY`, and `PLANE_ACCESS_TOKEN` respectively across test scripts and README files.
- Updated usage instructions to reflect the new environment variable names for consistency and clarity.

* Updated agents.md

* Fixed minor issues/inconsistencies

* Add OAuth 2.0 authentication support

- Introduced `OAuthClient` for handling OAuth 2.0 flows including authorization code and client credentials.
- Added examples demonstrating OAuth usage in `oauth_example.py`.
- Updated `README.md` to include OAuth authentication details and usage instructions.
- Enhanced `examples/README.md` to guide users on running the OAuth examples.
- Implemented token management features such as refresh and revoke in the OAuth client.

* Update OAuth example to use workspace slug for project retrieval

- Modified `oauth_example.py` to replace workspace listing with project listing using the `workspace_slug` environment variable.
- Updated print statements to reflect the number of projects found instead of workspaces.
- Added documentation for the new `WORKSPACE_SLUG` environment variable requirement.

Author: dheeru0198

.gitignore

@@ -64,3 +64,9 @@ target/
 
 #Ipython Notebook
 .ipynb_checkpoints
+
+# Misc
+.DS_Store
+*.pem
+.history
+tsconfig.tsbuildinfo

LICENSE

@@ -0,0 +1,7 @@
+Copyright (c) 2025 Plane Software, Inc
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.