Callbacks and JSON

This SPA executes and demonstrates the usage of callbacks functions and the management of JSON files.

Commits Hashes

• feat: indicates a new feature to the user
• fix: Fix a bug that directly affects the final user
• perf: Changes related with performance optimization
• build: Changes within the build system deploying or installations tasks
• ci: Continuous integrations changes
• docs: Documentation changes
• refactor: Code refactorization (functions or names changing)
• style:Format changes, they doesn't affetc the final user.
• test: Add tests or refactor existents ones.