custom chute build: include README

[tripathiarpan20]

Attempting to build a custom private chute (command errors without --include-cwd so that should be in https://chutes.ai/docs/guides/custom-chutes docs too):

chutes build validator_chute:chute --wait --include-cwd --debug

2026-03-16 07:44:41.402 | INFO     | chutes.config:get_config:55 - Loading chutes config from /root/.chutes/config.ini...
2026-03-16 07:44:41.402 | DEBUG    | chutes.config:get_config:78 - Configured chutes: with api_base_url=https://api.chutes.ai
2026-03-16 07:44:41.402 | DEBUG    | chutes.entrypoint.build:_image_exists:254 - Checking if image_id='cb017fd9-ac35-5b25-9e7e-c8e6ffece44e' is available...
2026-03-16 07:44:41.402 | DEBUG    | chutes.util.auth:sign_request:67 - Signing message: 5CaCQcW2o4dHdg21DbFn3q5CkhjqboQYNSoKRm15YvmnihKj:1773647081:images
2026-03-16 07:44:41.644 | DEBUG    | chutes.entrypoint.build:_build_image:342 - Generated Dockerfile:
FROM parachutes/python:3.12
RUN pip install cryptography httpx boto3
ADD . /app
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:55 - Found 6 files to include in build context -- these will be uploaded for remote builds!
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:60 -  README.md
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:60 -  architecture.md
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:60 -  setup.md
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:60 -  validator_chute.py
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:60 -  validator_orchestrator.py
2026-03-16 07:44:41.644 | INFO     | chutes.entrypoint.build:temporary_build_directory:60 -  miner_axon.py
Confirm submitting build context? (y/n) y
2026-03-16 07:44:45.866 | DEBUG    | chutes.entrypoint.build:temporary_build_directory:86 - Copying /root/prototype_chutes/vidaio-subnet/prototype/README.md to /tmp/tmpfz9jq7ll/README.md
2026-03-16 07:44:45.867 | DEBUG    | chutes.entrypoint.build:temporary_build_directory:86 - Copying /root/prototype_chutes/vidaio-subnet/prototype/architecture.md to /tmp/tmpfz9jq7ll/architecture.md
2026-03-16 07:44:45.867 | DEBUG    | chutes.entrypoint.build:temporary_build_directory:86 - Copying /root/prototype_chutes/vidaio-subnet/prototype/setup.md to /tmp/tmpfz9jq7ll/setup.md
2026-03-16 07:44:45.867 | DEBUG    | chutes.entrypoint.build:temporary_build_directory:86 - Copying /root/prototype_chutes/vidaio-subnet/prototype/validator_chute.py to /tmp/tmpfz9jq7ll/validator_chute.py
2026-03-16 07:44:45.867 | DEBUG    | chutes.entrypoint.build:temporary_build_directory:86 - Copying /root/prototype_chutes/vidaio-subnet/prototype/validator_orchestrator.py to /tmp/tmpfz9jq7ll/validator_orchestrator.py
2026-03-16 07:44:45.867 | DEBUG    | chutes.entrypoint.build:temporary_build_directory:86 - Copying /root/prototype_chutes/vidaio-subnet/prototype/miner_axon.py to /tmp/tmpfz9jq7ll/miner_axon.py
2026-03-16 07:44:45.868 | INFO     | chutes.entrypoint.build:_build_remote:135 - Packaging up the build directory to upload: /tmp/tmpfz9jq7ll
2026-03-16 07:44:45.870 | INFO     | chutes.entrypoint.build:_build_remote:143 - Created the build package: /tmp/tmpfjax7s2p.zip, uploading...
2026-03-16 07:44:45.871 | DEBUG    | chutes.util.auth:sign_request:67 - Signing message: 5CaCQc...:1773647085:7eccdfca6ae33dca6ad4d5ef4c933c7b01e495793afe4798c9ef86dd7dea0f19
2026-03-16 07:44:46.124 | ERROR    | chutes.entrypoint.build:_build_remote:188 - Unexpected error uploading image data: {"detail":[{"type":"missing","loc":["body","readme"],"msg":"Field required","input":null}]}