install rainbow delimiters

lua/plugins/rainbow-delimiters.lua

@@ -0,0 +1,23 @@
+return {
+"https://gitlab.com/HiPhish/rainbow-delimiters.nvim",
+config = function()
+require('rainbow-delimiters.setup').setup {
+    -- strategy = {
+    --     -- ...
+    -- },
+    -- query = {
+    --     -- ...
+    -- },
+    highlight = {
+	'RainbowDelimiterYellow',
+        'RainbowDelimiterBlue',
+        'RainbowDelimiterOrange',
+        'RainbowDelimiterGreen',
+        'RainbowDelimiterViolet',
+        'RainbowDelimiterCyan',
+
+    },
+}
+
+end
+}