Improve code quality and add comments

frontend/src/app/Services/bot.service.ts

@@ -15,6 +15,7 @@ export class BotService {
   ) {}
 
   /**
+   * Function to get all keywords
    * @returns Observable
    */
   public getKeywords(): Observable<any> {
@@ -28,6 +29,7 @@ export class BotService {
   }
 
   /**
+   * Function to create a keyword
    * @param  {string} keyword
    * @returns Observable
    */
@@ -47,6 +49,7 @@ export class BotService {
   }
 
   /**
+   * Function to delete a keyword
    * @param  {string} keyword
    * @returns Observable
    */
@@ -63,6 +66,7 @@ export class BotService {
   }
 
   /**
+   * Function to get all shares
    * @returns Observable
    */
   public getSymbols(): Observable<any> {
@@ -76,6 +80,7 @@ export class BotService {
   }
 
   /**
+   * Function to create a share
    * @param  {string} keyword
    * @returns Observable
    */
@@ -96,6 +101,7 @@ export class BotService {
   }
 
   /**
+   * Function to delete a share
    * @param  {string} symbol
    * @returns Observable
    */