Implement better error system and segregate errors and commands (#23)

* chore: Progress on amend_settings command

Signed-off-by: quexeky <git@quexeky.dev>

* chore(errors): Progress on better error handling with segragation of files

* chore: Progress on amend_settings command

Signed-off-by: quexeky <git@quexeky.dev>

* chore(commands): Separated commands under each subdirectory into respective commands.rs files

Signed-off-by: quexeky <git@quexeky.dev>

* chore(errors): Almost all errors and commands have been segregated

* chore(errors): Added drop server error

Signed-off-by: quexeky <git@quexeky.dev>

* feat(core): Update to using nightly compiler

Signed-off-by: quexeky <git@quexeky.dev>

* chore(errors): More progress on error handling

Signed-off-by: quexeky <git@quexeky.dev>

* chore(errors): Implementing Try and FromResidual for UserValue

Signed-off-by: quexeky <git@quexeky.dev>

* refactor(errors): Segregated errors and commands from code, and made commands return UserValue struct

Signed-off-by: quexeky <git@quexeky.dev>

* fix(errors): Added missing files

* chore(errors): Convert match statement to map_err

* feat(settings): Implemented settings editing from UI

* feat(errors): Clarified return values from retry_connect command

* chore(errors): Moved autostart commands to autostart.rs

* chore(process manager): Converted launch_process function for games to use game_id

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Signed-off-by: quexeky <git@quexeky.dev>

src-tauri/Cargo.toml

@@ -50,6 +50,8 @@ slice-deque = "0.3.0"
 derive_builder = "0.20.2"
 throttle_my_fn = "0.2.6"
 parking_lot = "0.12.3"
+merge-struct = "0.1.0"
+serde_merge = "0.1.3"
 
 [dependencies.tauri]
 version = "2.1.1"