doc: add missing options to readme

README.md

@@ -127,6 +127,9 @@ options:
 Plugin options (-P<name>=<value>):
   1) dex-input (Load .dex and .apk files)
     -Pdex-input.verify-checksum       - Verify dex file checksum before load, values: [yes, no], default: yes
+  2) java-convert (Convert .jar and .class files to dex)
+    -Pjava-convert.mode               - Convert mode, values: [dx, d8, both], default: both
+    -Pjava-convert.d8-desugar         - Use desugar in d8, values: [yes, no], default: no
 
 Examples:
   jadx -d out classes.dex