Make all api fields snake_case (#105)

Change all snake/camelCase mix and match to camelCase everywhere

Fix conversion to not interfer with service interceptors

Add dynamic conversion between camelCase and snake_case to services

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/105

src/services/linkShare.js

@@ -5,10 +5,10 @@ import {formatISO} from 'date-fns'
 export default class ListService extends AbstractService {
     constructor() {
         super({
-            getAll: '/lists/{listID}/shares',
-            get: '/lists/{listID}/shares/{id}',
-            create: '/lists/{listID}/shares',
-            delete: '/lists/{listID}/shares/{id}',
+            getAll: '/lists/{listId}/shares',
+            get: '/lists/{listId}/shares/{id}',
+            create: '/lists/{listId}/shares',
+            delete: '/lists/{listId}/shares/{id}',
         })
     }