add missing roadmap items

i2p2www/pages/site/get-involved/roadmap.html

@@ -432,11 +432,17 @@ Bug Fixes on Android versions later than 8.0
 </li><li>
 Hide empty sections on router console home page
 </li><li>
+Update onboarding information in router console readme
+</li><li>
 Operators guides for reseed services
 </li><li>
 Revise CSS on the default I2P site to resemble console Light theme
 </li><li>
 Implement controlled vocabuary as part of Information Architecture improvements
+</li><li>
+Detailed install guide for the main I2P Java distribution
+</li><li>
+Begin implementing Information Architecture improvements to geti2p.net
 </li></ul>