style(otter.lua): fix indentation and spacing for better code readability

feat(otter.lua): add file type (ft) configuration for Python and Lua files

lua/absolute/plugins/otter.lua

@@ -1,6 +1,7 @@
 return {
-	"jmbuhr/otter.nvim",
-	config = function()
-		require("absolute.after.otter")
-	end,
+    "jmbuhr/otter.nvim",
+    config = function()
+        require("absolute.after.otter")
+    end,
+    ft = { "py", "lua" }
 }