replace dashboard with alpha.nvim (#816)

lua/core/default_config.lua

@@ -63,7 +63,7 @@ M.plugins = {
       bufferline = true, -- manage and preview opened buffers
       colorizer = false, -- color RGB, HEX, CSS, NAME color codes
       comment = true, -- easily (un)comment code, language aware
-      dashboard = false,
+      alpha = false, -- dashboard
       better_escape = true, -- map to <ESC> with no lag
       feline = true, -- statusline
       gitsigns = true,
@@ -95,9 +95,9 @@ M.plugins = {
          -- hide, show on specific filetypes
          hidden = {
             "help",
-            "dashboard",
             "NvimTree",
             "terminal",
+            "alpha",
          },
          shown = {},
 
@@ -182,14 +182,6 @@ M.mappings.plugins = {
       toggle = "<leader>/",
    },
 
-   dashboard = {
-      bookmarks = "<leader>bm",
-      new_file = "<leader>fn", -- basically create a new buffer
-      open = "<leader>db", -- open dashboard
-      session_load = "<leader>l",
-      session_save = "<leader>s",
-   },
-
    -- map to <ESC> with no lag
    better_escape = { -- <ESC> will still work
       esc_insertmode = { "jk" }, -- multiple mappings allowed