Generalise make build command

Author: KidkArolis

Makefile

@@ -1,6 +1,6 @@
 build:
 	mkdir -p target/rescript
-	/Users/karolis/projects/zed/target/release/zed-extension --source-dir . --output-dir target/ --scratch-dir target/
+	zed-extension --source-dir . --output-dir target/ --scratch-dir target/
 	tar -xzf target/archive.tar.gz -C target/rescript
 	cp -Rf target/rescript ~/Library/Application\ Support/Zed/extensions/installed/
 	tree ~/Library/Application\ Support/Zed/extensions/installed/rescript