Update README.mediawiki

Author: Robert Spigler

README.mediawiki

@@ -435,6 +435,13 @@ Those proposing changes should consider that ultimately consent may rest with th
 | Informational
 | Draft
 |- style="background-color: #cfffcf"
+| [[bip-0087.mediawiki|87]]
+| Applications
+| Modern Hierarchy for Deterministic Multisignature Wallets
+| Robert Spigler
+| Standard
+| Proposed
+|-
 | [[bip-0090.mediawiki|90]]
 |
 | Buried Deployments