Merge pull request #5 from neuroglia-io/feat-replace-anyvalue

Replace `AnyValye` by `serde_json::Value`

Merge pull request #4 from neuroglia-io/fix-serde-feature

Fix the `map` file by fully qualifying the serde/derive macros

Merge pull request #2 from neuroglia-io/feat-add-task-common-fields

Add common fields to all TaskDefinitions

Fix category slugs of the Cargo.toml files

Signed-off-by: Charles d'Avernas <charles.davernas@neuroglia.io>