further cleanup

update docs and tests

install/31-keybase.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+#
+# After running this script:
+#   1. keybase is installed
+#
+
+# 1.keybase is installed
+if not_installed "keybase"; then
+
+    printf "Installing keybase...\n"
+
+    curl --remote-name https://prerelease.keybase.io/keybase_amd64.deb
+    install keybase_amd64.deb
+    rm keybase_amd64.deb
+
+fi
+printf "keybase is installed\n"
+keybase --version