Add swayconfig syntax for neovim

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "vim/dotfiles_libs/swayconfig.vim"]
+	path = vim/dotfiles_libs/swayconfig.vim
+	url = https://github.com/jamespeapen/swayconfig.vim

sway/.config/sway/config

@@ -1,3 +1,5 @@
+# vim: filetype=swayconfig
+
 ### Variables
 
 set $mod Mod4

sway/.config/sway/hosts/codered/config

@@ -1,4 +1,4 @@
-# vi: ft=i3config
+# vim: filetype=swayconfig
 
 output "Goldstar Company Ltd 27GL850 912NTZN7A301" pos 1200 0 adaptive_sync on
 output "Dell Inc. DELL U2410 F525M0536JWL" pos 0 0 transform 270

vim/.config/nvim/syntax/swayconfig.vim

@@ -0,0 +1 @@
+../../../dotfiles_libs/swayconfig.vim/syntax/swayconfig.vim

vim/dotfiles_libs/swayconfig.vim

@@ -0,0 +1 @@
+Subproject commit cfca1e50df5448d81c8f6c54caba273575d5cd62