replace gitsigns with the mini variant

.config/nvim/lua/plugin/mini.lua

@@ -19,7 +19,12 @@ require('mini.comment').setup()   -- for toggling comments inline
 require('mini.move').setup()      -- moving lines
 require('mini.operators').setup() -- duplicating lines and evaluating equations inline
 require('mini.surround').setup()  -- surround stuff
-require('mini.jump').setup()      -- extends f,F,t,T to work across multiple lines
+require('mini.diff').setup({      -- shows git diffs in the file
+	view = {
+		style = 'sign',
+	}
+})
+require('mini.jump').setup() -- extends f,F,t,T to work across multiple lines
 
 require('mini.indentscope').setup({
 	draw = {