Feature: Add customisable icons in topology (#193)

* [up] add config for custom images, better js

* [up] use bundler to bundle js

* [fix] remove domcontentloaded since defer is used

* [fix] formatting with black

* [fix] images drf api

* [up] add support for custom icons on additional roles: power panel, power feed, circuit

* [up] optimize topology generation by using `_id` when trying to access pk of related object

* [fix] kebab case instead of slugification

* [fix] use empty queryset in api views & change coord save logic

setup.py

@@ -1,29 +1,29 @@
-from setuptools import setup, find_packages
+from pathlib import Path
 
-from os import path
-top_level_directory = path.abspath(path.dirname(__file__))
-with open(path.join(top_level_directory, 'README.md'), encoding='utf-8') as file:
-    long_description = file.read()
+from setuptools import find_packages, setup
+
+readme = Path(__file__).parent / "README.md"
+long_description = readme.read_text()
 
 setup(
-    name='netbox-topology-views',
-    version='3.0.1',
-    description='An NetBox plugin to create Topology maps',
+    name="netbox-topology-views",
+    version="3.0.1",
+    description="An NetBox plugin to create Topology maps",
     long_description=long_description,
-    long_description_content_type='text/markdown',
-    url='https://github.com/mattieserver/netbox-topology-views',
-    author='Mattijs Vanhaverbeke',
-    license='Apache 2.0',
+    long_description_content_type="text/markdown",
+    url="https://github.com/mattieserver/netbox-topology-views",
+    author="Mattijs Vanhaverbeke",
+    license="Apache 2.0",
     install_requires=[],
     packages=find_packages(),
     include_package_data=True,
-    keywords=['netbox-plugin'],
+    keywords=["netbox-plugin"],
     classifiers=[
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3 :: Only',
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3 :: Only",
     ],
     project_urls={
-        'Source': 'https://github.com/mattieserver/netbox-topology-views',
+        "Source": "https://github.com/mattieserver/netbox-topology-views",
     },
 )