Add types for variables on global scope. (!398)

Adds a type definition for the variables added to the global scope.

Personally i'd probably stick them in an object off the route and drop the G_prefix but didn't want to make any major changes with no reason.

Reviewed-on: https://dev.sp-tarkov.com/SPT/Server/pulls/398
Co-authored-by: Alex McAuliffe <alex@romanx.co.uk>
Co-committed-by: Alex McAuliffe <alex@romanx.co.uk>
(cherry picked from commit 18d39224a9)

project/src/global.d.ts

@@ -0,0 +1,14 @@
+export type {};
+
+declare global {
+    var G_DEBUG_CONFIGURATION: boolean;
+    var G_RELEASE_CONFIGURATION: boolean;
+    var G_MODS_ENABLED: boolean;
+    var G_MODS_TRANSPILE_TS: boolean;
+    var G_LOG_REQUESTS: boolean;
+    var G_WATERMARK_ENABLED: boolean;
+
+    var G_SPTVERSION: string;
+    var G_COMMIT: string;
+    var G_BUILDTIME: number;
+}

project/src/ide/TestEntry.ts

@@ -16,7 +16,7 @@ globalThis.G_WATERMARK_ENABLED = false;
 
 globalThis.G_SPTVERSION = "";
 globalThis.G_COMMIT = "";
-globalThis.G_BUILDTIME = "";
+globalThis.G_BUILDTIME = 0;
 
 const program = new Program();
 program.start();