Add json output

Author: JingMatrix

daemon/src/main/java/org/lsposed/lspd/cli/GlobalOptions.java

@@ -0,0 +1,8 @@
+package org.lsposed.lspd.cli;
+
+import picocli.CommandLine;
+
+public class GlobalOptions {
+    @CommandLine.Option(names = {"-j", "--json"}, description = "Output results in JSON format.")
+    public boolean jsonOutput;
+}