build: add nix shell

Author: lineargraph

build-src/src/main/kotlin/moulconfig.fabric.gradle.kts

@@ -36,7 +36,9 @@ the<UniminedExtension>().minecraft {
 		config("client") {
 			jvmArgs("-Dmoulconfig.testmod=true")
 			jvmArgs("-Dmoulconfig.warn.crash=false")
-//			env.putAll(parseEnvFile(file(".env")))
+			parseEnvFile(file(".env")).forEach { (name, value) ->
+				environment(name, value)
+			}
 		}
 		config("server") {
 			enabled = false

shell.nix

@@ -0,0 +1,9 @@
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+  LD_LIBRARY_PATH=pkgs.lib.strings.makeLibraryPath [pkgs.libglvnd pkgs.zlib];
+  shellHook = ''
+    apply() {
+      echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH" > .env
+    }
+  '';
+}