Added intial files for hindi translation

5-browser-extension/3-background-tasks-and-performance/translations/.github/post-lecture-quiz.hi.md

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+*Complete this quiz by checking one answer per question.*
+
+1. To get a better view of your site's performance, clear its cache and reload in the profiler
+
+- [ ] true
+- [ ] false
+
+2. Browser extensions are inherently performant
+
+- [ ] true
+- [ ] false
+
+3. Analyze the following for performance bottlenecks
+   
+- [ ] DOM traversals
+- [ ] JavaScript optimizations
+- [ ] Asset management
+- [ ] All the above

5-browser-extension/3-background-tasks-and-performance/translations/.github/pre-lecture-quiz.hi.md

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+*Complete this quiz in class.*
+
+1. Test the performance of your app
+
+- [ ] Using the browser's tools
+- [ ] Using a separate software package
+- [ ] Manually
+
+2. The 'performance' of a web site is an analysis of
+
+- [ ] How fast it loads
+- [ ] How fast the code on it runs
+- [ ] Both of the above
+
+3. Overall, the 'weight' of web pages over the past few years has gotten
+- [ ] lighter
+- [ ] heavier
+- [ ] stayed the same

5-browser-extension/3-background-tasks-and-performance/translations/assignment.hi.md

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+# Analyze a site for performance
+
+Provide a detailed report of a web site, showing areas where performance is problematic. Analyze why the site is slow and what you could do to speed it up. Don't rely only on the browser tools, but do some research on other tools that can help your report
+
+## Rubric
+
+| Criteria | Exemplary                                                                                                  | Adequate                    | Needs Improvement             |
+| -------- | ---------------------------------------------------------------------------------------------------------- | --------------------------- | ----------------------------- |
+|          | A report is presented with details drawn not only from browser tools but from 3rd party tools if available | A basic report is presented | A minimal report is presented |