Update cmp. Add sql, html and css lsp functionality. Add snippet for go error handling. Enable Treesitter for syntax highlighting

snippets/go.lua

@@ -0,0 +1,25 @@
+local ls = require("luasnip")
+local s = ls.s
+local i = ls.i
+local t = ls.t
+
+local d = ls.dynamic_node
+local c = ls.choice_node
+local f = ls.function_node
+local sn = ls.snippet_node
+
+local fmt = require("luasnip.extras.fmt").fmt
+local rep = require("luasnip.extras").rep
+
+local snippets, autosnippets = {}, {}
+
+local errorSnippet = s("error", fmt([[
+if err != nil {{
+	{}
+}}
+]], {
+	i(1, "return nil, err")
+}))
+table.insert(snippets, errorSnippet)
+
+return snippets, autosnippets