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/api/jre.rs

@@ -1,4 +1,6 @@
 //! Authentication flow interface
+use std::path::PathBuf;
+
 use crate::{
     launcher::download,
     prelude::Profile,
@@ -139,3 +141,8 @@ pub async fn validate_globals() -> crate::Result<bool> {
     let settings = state.settings.read().await;
     Ok(settings.java_globals.is_all_valid())
 }
+
+// Validates JRE at a given at a given path
+pub async fn check_jre(path: PathBuf) -> crate::Result<Option<JavaVersion>> {
+    Ok(jre::check_java_at_filepath(&path))
+}