adding catppuchin theme

lua/config/bufferline.lua

@@ -5,11 +5,71 @@ if not ok then
 end
 
 --- Plugin options
+local frappe = require("catppuccin.palettes").get_palette("frappe")
 local opts = {
 	options = {
 		-- mode = "tabs",
 		separator_style = "slant",
 	},
+	highlights = require("catppuccin.groups.integrations.bufferline").get({
+		styles = { "italic", "bold" },
+		custom = {
+			all = {
+				fill = { -- bg before buffer
+					fg = frappe.text,
+					bg = frappe.crust,
+				},
+				background = { -- buffer bg
+					fg = frappe.text,
+					bg = frappe.base,
+				},
+				buffer_visible = { -- buffer displayed when in another tab
+					fg = frappe.text,
+					bg = frappe.surface0,
+				},
+				buffer_selected = { -- bufferline displayed when in tab
+					fg = frappe.text,
+					bg = frappe.overlay0,
+				},
+				close_button = {
+					fg = frappe.text,
+					bg = frappe.base,
+				},
+				close_button_visible = {
+					fg = frappe.text,
+					bg = frappe.surface0,
+				},
+				close_button_selected = {
+					fg = frappe.text,
+					bg = frappe.overlay0,
+				},
+				modified = {
+					fg = frappe.text,
+					bg = frappe.base,
+				},
+				modified_visible = {
+					fg = frappe.text,
+					bg = frappe.surface0,
+				},
+				modified_selected = {
+					fg = frappe.text,
+					bg = frappe.overlay0,
+				},
+				separator = {
+					fg = frappe.crust,
+					bg = frappe.base,
+				},
+				separator_visible = {
+					fg = frappe.crust,
+					bg = frappe.surface0,
+				},
+				separator_selected = {
+					fg = frappe.crust,
+					bg = frappe.overlay0,
+				},
+			},
+		},
+	}),
 }
 
 --- Load plugin