base: gui: install virt-manager

Flake lock file changes:

• Updated input 'emacs-overlay':
    'github:nix-community/emacs-overlay/4afeb3a259dc19ff5a001e598dcd94885d439d24' (2021-10-19)
  → 'github:nix-community/emacs-overlay/8f1fe25dcf689f0e62063f9d8b56d436cb27a519' (2021-10-25)
• Updated input 'home-manager':
    'github:nix-community/home-manager/b5d738b5a3f8c3738433e0aa6482afb4ac635380' (2021-10-18)
  → 'github:nix-community/home-manager/da8a78eec9f7adb57f9e961d1da64805efacff37' (2021-10-25)
• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/9aeeb7574fb784eaf6395f4400705b5f619e6cc3' (2021-10-17)
  → 'github:NixOS/nixpkgs/34ad3ffe08adfca17fcb4e4a47bb5f3b113687be' (2021-10-21)
• Updated input 'nixpkgs-unstable-small':
    'github:NixOS/nixpkgs/af1ac44440c3918910cf378a4ead96a94a3f6bd6' (2021-10-18)
  → 'github:NixOS/nixpkgs/38d21595b8fb0a744aa31c5794013bf42cf98fa9' (2021-10-25)

base/gui-programs.nix

@@ -14,6 +14,7 @@
     tdesktop
     teams
     thunderbird
+    virt-manager
     zathura
 
     unstable.discord

base/programs.nix

@@ -49,6 +49,7 @@
     dogdns
     du-dust
     htop
+    ldns # drill
     tealdeer
     unzip
     zip

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "emacs-overlay": {
       "locked": {
-        "lastModified": 1634632586,
-        "narHash": "sha256-EK6/txPv2GyxVjG5MZjUZ92l1NZ0Z5IytK6xXoRMIVo=",
+        "lastModified": 1635154104,
+        "narHash": "sha256-Ptu8u4Lfh80EwQX7vvlJtqUfFP9iYomzq8q5zvCBYnI=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "4afeb3a259dc19ff5a001e598dcd94885d439d24",
+        "rev": "8f1fe25dcf689f0e62063f9d8b56d436cb27a519",
         "type": "github"
       },
       "original": {
@@ -39,11 +39,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1634543124,
-        "narHash": "sha256-sPjP5GjZ0DgTgY8KljhGeix4L5ey7A3L1nm6lDffTh0=",
+        "lastModified": 1635123562,
+        "narHash": "sha256-kYuwQqHXDYxy5ijpm8SvCoPNx0br1TpoWeTIOEwOYvA=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "b5d738b5a3f8c3738433e0aa6482afb4ac635380",
+        "rev": "da8a78eec9f7adb57f9e961d1da64805efacff37",
         "type": "github"
       },
       "original": {
@@ -71,11 +71,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1634436779,
-        "narHash": "sha256-D/nrXTWpe1bPIjFy85sgiLHYqu+AeaC6v5/+KlA9PRg=",
+        "lastModified": 1634782485,
+        "narHash": "sha256-psfh4OQSokGXG0lpq3zKFbhOo3QfoeudRcaUnwMRkQo=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9aeeb7574fb784eaf6395f4400705b5f619e6cc3",
+        "rev": "34ad3ffe08adfca17fcb4e4a47bb5f3b113687be",
         "type": "github"
       },
       "original": {
@@ -87,11 +87,11 @@
     },
     "nixpkgs-unstable-small": {
       "locked": {
-        "lastModified": 1634551892,
-        "narHash": "sha256-3qLpLhQhIeEMA7smlQiY/RdsDU3FyLqLM8eg3Udv9c8=",
+        "lastModified": 1635141467,
+        "narHash": "sha256-H+TVE6tBSm4nAepm7HRfW7AcrndI5e4+TJwCQo4/z+s=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "af1ac44440c3918910cf378a4ead96a94a3f6bd6",
+        "rev": "38d21595b8fb0a744aa31c5794013bf42cf98fa9",
         "type": "github"
       },
       "original": {