fix!: diagnostics configuration moved to AstroCore

lua/plugins/astrocore.lua

@@ -15,9 +15,15 @@ return {
       large_buf = { size = 1024 * 500, lines = 10000 }, -- set global limits for large files for disabling features like treesitter
       autopairs = true, -- enable autopairs at start
       cmp = true, -- enable completion at start
+      diagnostics_mode = 3, -- diagnostic mode on start (0 = off, 1 = no signs/virtual text, 2 = no virtual text, 3 = on)
       highlighturl = true, -- highlight URLs at start
       notifications = true, -- enable notifications at start
     },
+    -- Diagnostics configuration (for vim.diagnostics.config({...})) when diagnostics are on
+    diagnostics = {
+      virtual_text = true,
+      underline = true,
+    },
     -- vim options can be configured here
     options = {
       opt = { -- vim.opt.<key>