feat(planet): Add client-side rate limiting and caching for Planet API (#5098)

* feat(planet): Add client-side rate limiting and caching for Planet API

* Fix linting issues: Apply Prettier formatting

Author: shoryabansalgithub

planet/index.html

@@ -27,6 +27,8 @@
         <script type="text/javascript" src="js/helper.js"></script>
         <script type="text/javascript" src="js/StringHelper.js"></script>
         <script type="text/javascript" src="js/ProjectStorage.js"></script>
+        <script type="text/javascript" src="js/RequestManager.js"></script>
+        <script type="text/javascript" src="js/CacheManager.js"></script>
         <script type="text/javascript" src="js/ServerInterface.js"></script>
         <script type="text/javascript" src="js/Converter.js"></script>
         <script type="text/javascript" src="js/SaveInterface.js"></script>