Feature/ssh (#382)

* wip ssh feature

* add and remove complete, list remains

* list half way done

* should finish the ssh module completely

* minor fixes

* formatting and offline queries

Co-authored-by: Aiden McClelland <me@drbonez.dev>

appmgr/migrations/20210629193146_Init.sql

@@ -18,4 +18,11 @@ CREATE TABLE IF NOT EXISTS session
 CREATE TABLE IF NOT EXISTS password
 (
     hash TEXT NOT NULL PRIMARY KEY
+);
+CREATE TABLE IF NOT EXISTS ssh_keys
+(
+    fingerprint     TEXT NOT NULL,
+    openssh_pubkey  TEXT NOT NULL,
+    created_at      TEXT NOT NULL,
+    PRIMARY KEY (fingerprint)
 );