Split camera server code

camera-server/src/config/config.ts

camera-server/src/io-interface/handlers/input-handlers.ts

camera-server/src/io-interface/readline-interface.ts

camera-server/src/models/command-descriptor.ts

camera-server/src/server.ts

camera-server/src/socket-io/handlers/common-handlers.ts

camera-server/src/socket-io/handlers/sender-handlers.ts

camera-server/src/socket-io/socket-io.ts

camera-server/src/state/camera-slot-state.ts

camera-server/src/util/cleanup.ts