feat: Private Groups + Load-Templates

Private Groups enabled based on the following assumptions:

* There is only one private group.
* The companies added to the private group is able to find private loads in the directory.
* The companies added to the private group is able to find private companies in the directory.
* The driver requires a new endpoint to read load resources no matter the privacy rules (as long as they are added to the load as driver).
* The private group can be updated by anyone within the company.
* The privacy is enabled on the company information by enabling `privacy=true`.
* The privacy is enabled on the loads information by enabling `privacy=true`.
* When looking for loads/companies by default the search is with `privacy=false` which returns public elements. When `privacy=true`is given, the results are limited to private elements only (not including public elements).

Load-Templates enabled based on the following assumptions:

* Anyone can CRUD the templates, there is no find feature (for now). It is assumed that the number of templates is limited.

v1/src/apps/public/public-companies/services.js

@@ -46,7 +46,14 @@ function getAndFilterList( query ){
 }
 
 async function getListByType( type , req ){
-    const filter = { "company_type" : type , "is_hidden" : false };
+    const filter = {
+            company_type: type,
+            is_hidden: false,
+            $or : [
+                { privacy : false },
+                { privacy : { $exists : false } }
+            ]
+        };
     const select = [
         "rfc",
         "company_name",
@@ -58,7 +65,8 @@ async function getListByType( type , req ){
         "membership",
         "categories",
         "truck_type",
-        "company_description"
+        "company_description",
+        "privacy"
     ];
     const { elements } = getPagination( req.query );
     const page = 0;// No pagination allowed to this endpoint