Async downloader, better Proton support (#183)

* feat: async downloader + other fixes

* feat: windows command parsing + use library path for install path

* feat: better proton support

* feat: style fixes and store button now uses in-app

* feat: emulator rename + umu emulator fix

* feat: bring process creation inline with docs

* fix: clippy

src-tauri/Cargo.lock

@@ -3148,6 +3148,15 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "keyvalues-parser"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b1d591f0c9482810347586bd2ae842bbd1fc4e0849283c611244930ff44e90f"
+dependencies = [
+ "pest",
+]
+
 [[package]]
 name = "known-folders"
 version = "1.4.0"
@@ -4328,6 +4337,16 @@ version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 
+[[package]]
+name = "pest"
+version = "2.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0848c601009d37dfa3430c4666e147e49cdcf1b92ecd3e63657d8a5f19da662"
+dependencies = [
+ "memchr",
+ "ucd-trie",
+]
+
 [[package]]
 name = "phf"
 version = "0.8.0"
@@ -4688,6 +4707,7 @@ dependencies = [
  "database",
  "dynfmt",
  "games",
+ "keyvalues-parser",
  "log",
  "page_size",
  "serde",
@@ -7245,6 +7265,12 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
 
+[[package]]
+name = "ucd-trie"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2896d95c02a80c6d6a5d6e953d479f5ddf2dfdb6a244441010e373ac0fb88971"
+
 [[package]]
 name = "uds_windows"
 version = "1.1.0"