Code style improvements again

.github/ISSUE_TEMPLATE/bug_report.md

@@ -3,20 +3,25 @@ name: Bug report
 about: Create a report to help us improve
 ---
 
-**Description**
+### Description
+
 <!-- A clear and concise description of what the issue is about. What are you trying to do? -->
 
-**Expected behaviour**
+### Expected behaviour
+
 <!-- What did you expect to happen? -->
 
-**What is happening instead?**
+### What is happening instead?
+
 <!-- Please, give full error messages and/or log. -->
 
-**Additional context**
+### Additional context
+
 <!-- Add any other context about the problem here. If applicable, add screenshots to help explain your problem. -->
 
-**How to reproduce?**
+### How to reproduce?
 <!-- Tell us how to reproduce this issue. How can someone who is starting from scratch reproduce this behaviour as minimally as possible? -->
 
-**Files**
+### Files
+
 <!-- A list of relevant files for this issue. Large files can be uploaded one-by-one or in a tarball/zipfile. -->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -3,14 +3,18 @@ name: Feature request
 about: Suggest an idea for this project
 ---
 
-**Is your feature request related to a problem? Please describe.**
+### Is your feature request related to a problem? Please describe.
+
 <!-- Add a clear and concise description of what the problem is. E.g. *I'm always frustrated when [...]* -->
 
-**Describe the solution you'd like**
+### Describe the solution you'd like
+
 <!-- Add a clear and concise description of what you want to happen.  -->
 
-**Describe alternatives you've considered**
+### Describe alternatives you've considered
+
 <!-- Add a clear and concise description of any alternative solutions or features you've considered.  -->
 
-**Additional context**
+### Additional context
+
 <!-- Add any other context or screenshots about the feature request here. -->

frontend/src/src/App.tsx

@@ -50,7 +50,7 @@ const App = () => {
     const [currentLocale, setCurrentLocale] = useState(fallback);
 
     const setCurrentLocaleToState = async () => {
-        void setCurrentLocale(await getCurrentLocale(i18n));
+        setCurrentLocale(await getCurrentLocale(i18n));
     };
 
     const getCurrentTitle = useCallback(() => {
@@ -98,7 +98,7 @@ const App = () => {
     }, [getStationAttributes]);
 
     const handleSwitchLocale = (locale: string) => {
-        setUserLocale(i18n, locale);
+        void setUserLocale(i18n, locale);
     };
 
     const locales = Object.entries(resources).reduce((acc, [key, value]) => {

frontend/src/src/components/Code.tsx

@@ -39,7 +39,7 @@ export const Code = (props: CodeProps) => {
                 <div
                     className="opacity-60 hover:opacity-100 transition-all cursor-pointer"
                     onClick={() => {
-                        handleCopy(children);
+                        void handleCopy(children);
                     }}
                 >
                     <img