Added python lsp and massive refactor

lua/plugins/nvim-cmp.lua

@@ -0,0 +1,55 @@
+return {
+	"hrsh7th/nvim-cmp",
+	event = "InsertEnter",
+	dependencies = {
+		"hrsh7th/cmp-buffer",
+		"hrsh7th/cmp-path",
+		{
+			"L3MON4D3/LuaSnip",
+			version = "v2.*",
+			build = "make install_jsregexp",
+		},
+		"saadparwaiz1/cmp_luasnip",
+		"rafamadriz/friendly-snippets",
+		"onsails/lspkind.nvim",
+	},
+	config = function()
+		local cmp = require("cmp")
+		local luasnip = require("luasnip")
+		local lspkind = require("lspkind")
+
+		cmp.setup({
+			completion = {
+				completeopt = "menu,menuone,preview,noselect",
+			},
+			snippet = {
+				expand = function(args)
+					luasnip.lsp_expand(args.body)
+				end,
+			},
+			mapping = cmp.mapping.preset.insert({
+				["<C-S-k>"] = cmp.mapping.select_prev_item(),
+				["<C-S-j>"] = cmp.mapping.select_next_item(),
+				["<C-S-b>"] = cmp.mapping.scroll_docs(-4),
+				["<C-S-f>"] = cmp.mapping.scroll_docs(4),
+				["<C-S-Space>"] = cmp.mapping.complete(),
+				["<C-S-e>"] = cmp.mapping.abort(),
+				["<CR>"] = cmp.mapping.confirm({ select = false }),
+			}),
+
+			sources = cmp.config.sources({
+				{ name = "nvim_lsp" },
+				{ name = "luasnip" },
+				{ name = "buffer" },
+				{ name = "path" },
+			}),
+
+			formatting = {
+				format = lspkind.cmp_format({
+					maxwidth = 50,
+					ellipsis_char = "...",
+				}),
+			},
+		})
+	end,
+}