Implement shared eslint config through devenv

.gitignore

@@ -17,6 +17,7 @@
 /app/frontend/.pnp
 /app/frontend/.pnp.js
 /app/frontend/.dependency-graph
+/app/frontend/eslint.shared.mjs
 
 # testing
 /app/frontend/coverage

flake.nix

@@ -23,6 +23,10 @@
             inherit version;
             pname = "cv";
             src = ./app/frontend;
+            preBuild = ''
+              cp ${nix.lib.eslint-config-file} ./eslint.shared.mjs
+              npm run check
+            '';
             npmInstallFlags = "--no-audit --no-progress --no-fund";
             npmDepsHash = "sha256-p4rTpy0t8aajbubvtF1TA83/FFqvfKEOPBb5T0ZRfQY=";
             npmPackFlags = [ "--ignore-scripts" ];
@@ -82,6 +86,11 @@
                 pkgs.go
                 pkgs.nodejs_22
               ];
+
+              enterShell = ''
+                cp ${nix.lib.eslint-config-file} ./app/frontend/eslint.shared.mjs
+              '';
+
               scripts = {
                 # Override golangci-lint for vscode, because the extension incorrectly assumes usage of global binaries is preferred
                 golangci-lint = {