…intainability by adding line breaks to long statements and improving code structure

feat(index.d.ts): add new classes ClusterDataSimplified, KeyspaceSimplified, TableSimplified, MaterializedViewSimplified to provide simplified cluster and keyspace information
feat(index.js): update exports to include new classes ClusterDataSimplified, KeyspaceSimplified, TableSimplified, MaterializedViewSimplified for better module organization and clarity

feat(scylla_session.rs): add support for simplified data structures to improve readability and maintainability of the codebase.

Signed-off-by: Felipi Lima Matozinho <[email protected]>

…ating keyspace and table

feat(basic.mts): add support for fetching and displaying keyspace and table information
feat(fetch-schema.mts): add new file to fetch and display keyspace and table information

refactor(scylla_session.rs): restructure code to improve readability and maintainability by renaming structs and methods for better semantics and clarity. Update struct names to match their purpose and improve consistency in naming conventions.

Signed-off-by: Felipi Lima Matozinho <[email protected]>

…r into feature/fetch-schema

Signed-off-by: Felipi Lima Matozinho <[email protected]>

…bility and error handling

feat(session): add topology module to handle cluster topology information
feat(session): move ScyllaClusterData struct to topology module for better organization and separation of concerns

feat(topology.rs): add support for defining Scylla cluster data, keyspace, strategy, table, and materialized view structures to interact with Scylla database.

Signed-off-by: Felipi Lima Matozinho <[email protected]>