Add diffview nvim plugin

.config/nvim/init.lua

@@ -20,6 +20,8 @@ require("config.gitsigns")
 require("config.lualine")
 require("config.telescope")
 require("config.indentline")
+require("config.redmine")
+require("config.diffview")
 
 -- for some reason this must be placed in init.lua file
 -- it doesn't work in any lua/config/*.lua files

.config/nvim/lua/config/diffview.lua

@@ -0,0 +1,2 @@
+require("diffview").setup({
+})

.config/nvim/lua/plugins/diffview.lua

@@ -0,0 +1,3 @@
+return {
+    "sindrets/diffview.nvim"
+}