added packer script. made plugin configs not error out when no plugin

env/.config/nvim/after/plugin/indent-blankline.lua

@@ -1,30 +1,33 @@
-local highlight = {
-    "RainbowRed",
-}
+local ok, _ = pcall(require, 'ibl')
+if ok then
+    local highlight = {
+        "RainbowRed",
+    }
 
-local hooks = require "ibl.hooks"
--- create the highlight groups in the highlight setup hook, so they are reset
--- every time the colorscheme changes
-hooks.register(hooks.type.HIGHLIGHT_SETUP, function()
-    vim.api.nvim_set_hl(0, "RainbowRed", { fg = "#702ec0" })
-end)
+    local hooks = require "ibl.hooks"
+    -- create the highlight groups in the highlight setup hook, so they are reset
+    -- every time the colorscheme changes
+    hooks.register(hooks.type.HIGHLIGHT_SETUP, function()
+        vim.api.nvim_set_hl(0, "RainbowRed", { fg = "#702ec0" })
+    end)
 
-require('ibl').setup {
-    indent = {
-        char = '|',
-        highlight = highlight,
-    },
-    scope = {
-        show_start = false,
-        show_end = false,
-        show_exact_scope = false,
-    },
-    exclude = {
-        filetypes = {
-            'help',
-            'packer',
-            'undotree',
-            'diff',
+    require('ibl').setup {
+        indent = {
+            char = '|',
+            highlight = highlight,
         },
-    },
-}
+        scope = {
+            show_start = false,
+            show_end = false,
+            show_exact_scope = false,
+        },
+        exclude = {
+            filetypes = {
+                'help',
+                'packer',
+                'undotree',
+                'diff',
+            },
+        },
+    }
+end