R: Add frontend linter to script

scripts/dev/RunLint.ps1

@@ -1,11 +1,14 @@
-# Run coverage analysis
+# Run linters
+
 $backend = Resolve-Path -Path "$PSScriptRoot\..\..\rsconcept\backend"
+$frontend = Resolve-Path -Path "$PSScriptRoot\..\..\rsconcept\frontend"
 
 function RunLinters() {
-  BackendLint
+  LintBackend
+  LintFrontend
 }
 
-function BackendLint() {
+function LintBackend() {
   $pylint = "$backend\venv\Scripts\pylint.exe"
   $mypy = "$backend\venv\Scripts\mypy.exe"
 
@@ -15,4 +18,9 @@ function BackendLint() {
   & $mypy project apps
 }
 
+function LintFrontend() {
+  Set-Location $frontend
+  & npm run lint
+}
+
 RunLinters