improve release scripts

Author: Sesu8642

build_release_linux.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+flutterBin=flutter/bin/flutter
+
+mkdir -p ./release
+
+$flutterBin clean
+$flutterBin build linux --target-platform linux-x64
+
+# compress to release directory
+tar -czf "release/enthusiast_tea_timer_linux.tar.gz" -C "build/linux/x64/release/bundle" .

build_release_web.sh

@@ -6,3 +6,6 @@ mkdir -p ./release
 $flutterBin clean
 
 $flutterBin build web --release
+
+# compress to release directory
+tar -czf "release/enthusiast_tea_timer_web.tar.gz" -C "build/web" .