Desktop integration (#2073)

* Open stash in system tray on Windows/MacOS
* Add desktop notifications
* MacOS Bundling
* Add binary icon

Co-authored-by: WithoutPants <53250216+WithoutPants@users.noreply.github.com>

vendor/github.com/rs/zerolog/internal/json/base.go

@@ -4,9 +4,8 @@ type Encoder struct{}
 
 // AppendKey appends a new key to the output JSON.
 func (e Encoder) AppendKey(dst []byte, key string) []byte {
-	if len(dst) > 1 && dst[len(dst)-1] != '{' {
+	if dst[len(dst)-1] != '{' {
 		dst = append(dst, ',')
 	}
-	dst = e.AppendString(dst, key)
-	return append(dst, ':')
-}
+	return append(e.AppendString(dst, key), ':')
+}

vendor/github.com/rs/zerolog/internal/json/types.go

@@ -379,11 +379,10 @@ func (Encoder) AppendObjectData(dst []byte, o []byte) []byte {
 	//    to separate with existing content OR
 	// 3. existing content has already other fields
 	if o[0] == '{' {
-		if len(dst) == 0 {
-			o = o[1:]
-		} else {
-			o[0] = ','
+		if len(dst) > 1 {
+			dst = append(dst, ',')
 		}
+		o = o[1:]
 	} else if len(dst) > 1 {
 		dst = append(dst, ',')
 	}