Add nixpkgs-fmt, firefox-dev, and cargo config (#18)

.cargo/config

@@ -0,0 +1,4 @@
+b = "build"
+c = "check"
+t = "test"
+r = "run"

.config/nixpkgs/home.nix

@@ -20,22 +20,21 @@
       direnv
       exa
       fd
-      firefox
+      firefox-devedition-bin
       fzf
-      gcc
       gimp
       glibcLocales
-      go
       golint
       google-cloud-sdk
       gradle
       groovy
       hadolint
       htop
-      jetbrains.idea-community
       jdk
+      jetbrains.idea-community
       jq
       maven
+      nixpkgs-fmt
       nmap
       openvpn
       pavucontrol
@@ -109,8 +108,6 @@
 
   programs = {
 
-    firefox.enable = true;
-
     zsh = {
       enable = true;
       enableAutosuggestions = true;
@@ -125,6 +122,7 @@
         export GPG_TTY=$(tty)
         export PATH=$PATH:~/.local/bin
         export PATH=$PATH:~/go/bin
+        export PATH=$PATH:~/.cargo/bin
 
         eval "$(direnv hook zsh)"
         eval "$(_RFD_COMPLETE=source_zsh rfd)"

.config/nixpkgs/overlays/rfd.nix

@@ -36,4 +36,3 @@ rec {
     };
   };
 }
-

.tmux.conf

@@ -1,4 +1,3 @@
-
 # Automatically set window title
 set-window-option -g automatic-rename on
 set-option -g set-titles on