Google Sheet - OAuth "client" powered integrations (#415)

* fix `helpers.php`

* fix `.eslintrc.cjs`

* spreadsheet manager

* fetch providers. set `oauth_id` for integrations

* create spreadsheet on integration create event

* connect OAuth accounts

* display actions. connect account if missing

* cleanup

* handle form field change

* map integration data object to `SpreadsheetData`

* validate request

* wip

* redirect to integrations page

* fix refresh token

* add helper text

* add extra integration info

* refactor

* refresh google token

* fix validation

* add tests

* Fix linting issue

* Update composer lock file

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Co-authored-by: Julien Nahum <julien@nahum.net>

app/helpers.php

@@ -1,11 +1,13 @@
 <?php
 
-function front_url($path = '')
-{
-    $baseUrl = config('app.front_url');
-    if (! $baseUrl) {
-        return $path;
-    }
+if(!function_exists('front_url')) {
+    function front_url($path = '')
+    {
+        $baseUrl = config('app.front_url');
+        if (! $baseUrl) {
+            return $path;
+        }
 
-    return rtrim($baseUrl, '/').'/'.ltrim($path, '/');
+        return rtrim($baseUrl, '/').'/'.ltrim($path, '/');
+    }
 }