String settings hooks (#82)

* added theme; env change

* began refactoring

* added process hook

* now singular string for each hook

* fixed splitting by comma to by space

* profile_create function updated

* prettier

* added jre validator

* restructured so that it doesnt look like a vec

* fixed merge issue

* snake case

* resolved merge issues + added process events

* clippy, fmt

* removed unnecssary func

theseus/src/launcher/download.rs

@@ -33,7 +33,7 @@ pub async fn download_minecraft(
         LoadingBarType::MinecraftDownload {
             // If we are downloading minecraft for a profile, provide its name and uuid
             profile_name: profile.metadata.name.clone(),
-            profile_uuid:  profile.uuid,
+            profile_uuid: profile.uuid,
         },
         100.0,
         "Downloading Minecraft...",