Add unit testing for HTML content

docs/docs/concepts/terminology.md

@@ -13,7 +13,7 @@ Evolves around manufacturing of parts out of other parts. It keeps track of stoc
 
 ### Part Library Management *(PLM)*
 Keeps track of BOMs, part variants, possible substitutions, versions, IPNs and further part parameters.
-PLM can also mean product lifecycle management – those systems manage all stages from design through manufacturing up to customer support and recycling.
+PLM can also mean product lifecycle management - those systems manage all stages from design through manufacturing up to customer support and recycling.
 
 A similar system is [Partkeepr](https://partkeepr.org/) (seems mostly inactive - there is a 3rd party importer).
 

docs/docs/plugins/develop.md

@@ -23,7 +23,7 @@ Consider the use-case for your plugin and define the exact function of the plugi
 - Do you need to run in the background ([ScheduleMixin](./mixins/schedule.md)) or when things in InvenTree change ([EventMixin](./mixins/event.md))?
 - Does the plugin need configuration that should be user changeable ([SettingsMixin](./mixins/settings.md)) or static (just use a yaml in the config dir)?
 - You want to receive webhooks? Do not code your own untested function, use the WebhookEndpoint model as a base and override the perform_action method.
-- Do you need the full power of Django with custom models and all the complexity that comes with that – welcome to the danger zone and [AppMixin](./mixins/app.md). The plugin will be treated as a app by django and can maybe rack the whole instance.
+- Do you need the full power of Django with custom models and all the complexity that comes with that - welcome to the danger zone and [AppMixin](./mixins/app.md). The plugin will be treated as a app by django and can maybe rack the whole instance.
 
 ### Define Metadata