Crowdfunding update

[andrei-marinica]

Description of the pull request (what is new / what has changed)

This PR updates the crowdfunding tutorial to use the latest MultiversX framework (v0.64.1), reorganizes the tutorial structure into multiple parts, and modernizes the testing approach from scenario-based to blackbox testing.

Changes:

• Updated crowdfunding tutorial structure from 2 parts to 3 parts with a final code reference page, moving files to a new crowdfunding/ subdirectory
• Migrated from deprecated waltz library to custom markdown parser using pulldown-cmark for code extraction
• Replaced JSON scenario tests with modern blackbox tests supporting both EGLD and ESDT tokens

Did you test the changes locally ?

• yes
• no

Which category (categories) does this pull request belong to?

• document new feature
• update documentation that is not relevant anymore
• add examples or more information about a component
• fix grammar issues
• other

[Copilot]

Pull request overview

This PR updates the crowdfunding tutorial to use the latest MultiversX framework (v0.64.1), reorganizes the tutorial structure into multiple parts, and modernizes the testing approach from scenario-based to blackbox testing.

Changes:

• Updated crowdfunding tutorial structure from 2 parts to 3 parts with a final code reference page, moving files to a new crowdfunding/ subdirectory
• Migrated from deprecated waltz library to custom markdown parser using pulldown-cmark for code extraction
• Replaced JSON scenario tests with modern blackbox tests supporting both EGLD and ESDT tokens

Reviewed changes

Copilot reviewed 24 out of 25 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
testing/rust-tutorial-ci.sh	Updated script to use proper path handling and changed directory from crowdfunding-esdt to crowdfunding
testing/extract-tutorial-code/src/parser.rs	New markdown parser implementation replacing waltz dependency
testing/extract-tutorial-code/src/extract_code.rs	Refactored to use custom parser and extract blackbox test files instead of JSON scenarios
testing/extract-tutorial-code/Cargo.toml	Updated to Rust edition 2024 and pulldown-cmark 0.13
testing/crowdfunding/*	New crowdfunding contract files including proxy, config, and metadata
testing/crowdfunding-esdt/tests/crowdfunding_scenario_rs_test.rs	Removed old scenario-based tests
sidebars.js	Reorganized crowdfunding tutorial into a category with 4 parts
rust-toolchain.toml	Added Rust 1.92 toolchain specification
docusaurus.config.js	Added redirects for old crowdfunding tutorial URLs
docs/developers/tutorials/crowdfunding/*	New tutorial structure with parts 1-3 and final code reference
docs/developers/testing/sc-debugging.md	Updated reference from crowdfunding-esdt to crowdfunding
docs/developers/testing/rust/whitebox-legacy.md	Updated reference from crowdfunding-esdt to crowdfunding
docs/developers/overview.md	Updated tutorial links to new paths
docs/developers/developer-reference/sc-payments.md	Updated deprecation note from 0.64.0 to 0.64.1
Cargo.toml	Added resolver 3 and updated crowdfunding directory exclusion
.github/workflows/rust-tutorial-ci.yml	Updated GitHub Actions versions and Rust toolchain to 1.92

Comments suppressed due to low confidence (2)

testing/crowdfunding/meta/Cargo.toml:4

• Rust edition '2024' does not exist. The valid Rust editions are 2015, 2018, and 2021. Change this to 'edition = "2021"'.
  docs/developers/tutorials/crowdfunding/crowdfunding-p1.md:85
• Rust edition '2024' does not exist in the tutorial documentation. The valid Rust editions are 2015, 2018, and 2021. This should be 'edition = "2021"'.

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The base branch was changed.