feat: Better config tool, ignore .config

.gitignore

@@ -4,3 +4,4 @@
 node_modules
 package-lock.json
 snaps
+.config

conf-tool.sh

@@ -54,8 +54,14 @@ DEVICE_PORT=$dev_addr
 USER_KEY=$signing_key
 USER_EMAIL=$user_email"
 
-echo "Is this correct: $vals"
+echo "
+$vals
+"
 
-read -p "[y/N]" v # TODO: use
-
-echo "$vals" > .config
+read -p "Is this correct [y/N]:" v
+if [[ "$v" == [yY]* ]]; then
+  echo "$vals" > .config
+else
+  echo
+  bash $0
+fi