home/qtile: add volume keys and ease testing

nix/home-manager/configuration/fullblown-workstation.nix

@@ -1,5 +1,5 @@
 { pkgs
-, config, 
+, config,
 ... }:
 
 let
@@ -40,7 +40,7 @@ in {
         enableStatic = true;
       };
 
-      myPython36 = python36Full.withPackages (ps: with ps; [ 
+      myPython36 = python36Full.withPackages (ps: with ps; [
         pylint pep8 yapf flake8
         # autopep8 (broken)
         # pylint (broken)
@@ -75,7 +75,7 @@ in {
 
     GOPATH="$HOME/src/go";
 
-    PATH=pkgs.lib.concatStringsSep ":" [ 
+    PATH=pkgs.lib.concatStringsSep ":" [
       "$HOME/.local/bin"
       "$HOME/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin"
       "$HOME/.cargo/bin"
@@ -201,7 +201,7 @@ in {
       iftop
       iperf
       bind
-      socat 
+      socat
 
       # samba
       iptables
@@ -215,7 +215,7 @@ in {
       # (vscode-with-extensions.override {
       #   # When the extension is already available in the default extensions set.
       #   vscodeExtensions = with vscode-extensions; [
-      #   ]   
+      #   ]
       #   # Concise version from the vscode market place when not available in the default set.
       #   ++ vscode-utils.extensionsFromVscodeMarketplace [
       #     {
@@ -250,7 +250,7 @@ in {
       eclipses.eclipse-modeling
       dia
       astah-community
-      
+
       # Misc Development Tools
       qrcode
       travis
@@ -271,12 +271,12 @@ in {
       perlPackages.FileHomeDir
       perlPackages.UnicodeLineBreak
       (texlive.combine {
-        inherit (texlive) 
+        inherit (texlive)
           scheme-small
           texlive-de
           texlive-en
           texlive-scripts
-          collection-langgerman 
+          collection-langgerman
 
           latexindent
           latexmk
@@ -368,7 +368,7 @@ in {
       dex
       roxterm
       # kitty
-      busyboxStatic 
+      busyboxStatic
       xorg.xbacklight
       coreutils
       lsof
@@ -391,5 +391,5 @@ in {
       obs-studio
       shotcut
       openshot-qt
-  ]); 
+  ]);
 }