Auth for REST API (api/v1/auth/*) (cvat-ai#622)

* Added trivial login/logout/register
* Auth methods for REST API.

- api/v1/auth/login
- api/v1/auth/logout

For basic auth only:
- api/v1/auth/register
- api/v1/auth/password/*

* Add info about auth for REST API into CHANGELOG.md
* Add pylintrc for codacy, updated pylint and its dependecies.
* Add token authorization, renamed cvat.js to cvat-core in all places.
* Implemented register method in cvat-core
* Added first_name and last_name to RegisterSerializer.

.codacy.yml

@@ -1,3 +1,3 @@
 exclude_paths:
  - '**/3rdparty/**'
- - '**/engine/js/cvat.js'
+ - '**/engine/js/cvat-core.min.js'

.eslintrc.js

@@ -24,7 +24,7 @@
         "eslint:recommended",
         "plugin:security/recommended",
         "plugin:no-unsanitized/DOM",
-        "airbnb",
+        "airbnb-base",
     ],
     "rules": {
         "no-await-in-loop": [0],

.gitignore

@@ -15,7 +15,6 @@ node_modules
 
 # Ignore temporary files
 docker-compose.override.yml
-/.vscode
 __pycache__
 *.pyc
 ._*