Implemented sentry

Author: Aminehassou

.env.example

@@ -1 +1 @@
-SENTRY_DSN=
+VITE_SENTRY_DSN=

README.md

@@ -135,6 +135,16 @@ If you would like to force existing analysis to be recomputed, you may force upd
 
 1. `rspec` (tests are located in */spec* directory)
 
+## Configuring React Environment
+
+### Local setup
+
+In the project's root directory, create a `.env.local` file following the format of the `.env.example` file
+
+### Server setup
+
+In the project's root directory, create a `.env.production` file following the format of the `.env.example` file
+
 ## Deploying Updates to Server
 
 1. Ensure server has your public SSH key 

app/frontend/components/wikipedia-category-page.component.tsx

@@ -64,16 +64,7 @@ export default function WikipediaCategoryPage() {
           subcategories. Whenever a category is expanded for the first time, the
           tool will retrieve the data for the subcategories 2 levels down.
         </p>
-        <h3>Legend</h3>{" "}
-        <button
-          type="button"
-          onClick={() => {
-            throw new Error("Sentry Test Error");
-          }}
-        >
-          Break the world
-        </button>
-        ;
+        <h3>Legend</h3>
         <div>
           <BsExclamationCircleFill color="#71afef" /> Indicates that the given
           category has missing subcategories

app/frontend/services/sentry.service.tsx

@@ -8,7 +8,7 @@ import {
 } from "react-router-dom";
 
 Sentry.init({
-  dsn: import.meta.env.SENTRY_DSN,
+  dsn: import.meta.env.VITE_SENTRY_DSN,
   integrations: [
     // See docs for support of different versions of variation of react router
     // https://docs.sentry.io/platforms/javascript/guides/react/configuration/integrations/react-router/
@@ -26,9 +26,6 @@ Sentry.init({
   // of transactions for tracing.
   tracesSampleRate: 1.0,
 
-  // Set `tracePropagationTargets` to control for which URLs trace propagation should be enabled
-  tracePropagationTargets: [/^\//, /^https:\/\/yourserver\.io\/api/],
-
   // Capture Replay for 10% of all sessions,
   // plus for 100% of sessions with an error
   replaysSessionSampleRate: 0.1,