Added Add Host Functionality

+added function to add server from tui
+added function to eddit and delete server from tui

config.yaml

@@ -1,24 +1,15 @@
 settings:
-  theme: neon-green
-  terminal:
-    term: xterm-256color
-    enable_kitty_fix: true
-
+    theme: neon-green
+    terminal:
+        term: xterm-256color
+        enable_kitty_fix: true
 servers:
-  - name: Unraid
-    host: 10.0.0.15
-    user: root
-    port: 22
-    group: Homelab
-    auth: password
-    password_id: unraid-root
-    kitty_fix: true
-
-  - name: Test Server
-    host: 10.0.0.23
-    user: administrator
-    port: 22
-    group: Homelab
-    auth: password
-    password_id: test-server-admin
-    kitty_fix: true
+    - name: Unraid
+      host: 10.0.0.15
+      user: root
+      port: 22
+      group: Homelab
+      auth: password
+      key: ""
+      password_id: unraid-root
+      kitty_fix: true