fix(v1:vehicles): Adding is_available filter

v1/README.md

@@ -433,6 +433,7 @@ Work In Progress
 __This endpoint is only valid for carriers.__
 
  - `GET /find` : Find a list of elements (from the company it self only) with any of the following fields:
+    - is_available,
     - categories,
     - active_load,
     - load_shipper,

v1/src/apps/private/vehicles/services.js

@@ -12,6 +12,7 @@ function getAndFilterList( query ){
     const filter_list = [];
     const {
         company,
+        is_available,
         categories,
         active_load,
         load_shipper,
@@ -29,6 +30,7 @@ function getAndFilterList( query ){
     } = query;
 
     if( company ) { filter_list.push({ company }); }
+    if( is_available ) { filter_list.push({ is_available }); }
     if( categories ) { filter_list.push({ categories }); }
     if( active_load ) { filter_list.push({ active_load }); }
     if( load_shipper ) { filter_list.push({ load_shipper }); }