Add some local overridable config variables

This allows me to only install and use SG and Copilot at work

neovim/lua/_settings.lua

@@ -51,3 +51,6 @@ end
 local has = vim.fn.has
 g.is_mac = (has("mac") or has("macunix") or has("gui_macvim") or vim.fn.system("uname"):find("^darwin") ~= nil)
 g.is_gui = vim.fn.exists("g:neovide")
+
+-- Require some local values
+utils.require_with_local("variables")

neovim/lua/plugins.lua

@@ -616,6 +616,7 @@ use({
         "SourcegraphLogin",
         "SourcegraphSearch",
     },
+    disable = not vim.g.install_sourcegraph,
 })
 
 -- Auto sync after bootstrapping on a fresh box

neovim/lua/variables.lua

@@ -0,0 +1 @@
+vim.g.install_sourcegraph = false