from-scratch rewrite (#1)

Reviewed-on: #1

nvim/lua/plugins/git-signs.lua

@@ -0,0 +1,12 @@
+return {
+  "lewis6991/gitsigns.nvim",
+  opts = {
+    signs = {
+      add = { text = "+" },
+      change = { text = "~" },
+      delete = { text = "_" },
+      topdelete = { text = "‾" },
+      changedelete = { text = "~" },
+    },
+  },
+}