refactored README

Author: Ivanbyone

README.md

@@ -8,7 +8,7 @@
 
 - [Description](#description)
 - [SQL 50](#sql-50-questions)
-- [Task list](#task-list)
+- [All Tasks list](#all-tasks-list)
 - [Contributing](#contributing)
 - [License](#license)
 
@@ -44,8 +44,64 @@ Useful for preparing for technical interviews and improving your SQL skills.
 - [1068. Product Sales Analysis I](./leetcode/easy/1068.%20Product%20Sales%20Analysis%20I.sql)
 - [1581. Customer Who Visited but Did Not Make Any Transactions](./leetcode/easy/1581.%20Customer%20Who%20Visited%20but%20Did%20Not%20Make%20Any%20Transactions.sql)
 - [197. Rising Temperature](./leetcode/easy/197.%20Rising%20Temperature.sql)
-
-## Task List
+- [1661. Average Time of Process per Machine](./leetcode/easy/1661.%20Average%20Time%20of%20Process%20per%20Machine.sql)
+- [577. Employee Bonus](./leetcode/easy/577.%20Employee%20Bonus.sql)
+- [1280. Students and Examinations](./leetcode/easy/1280.%20Students%20and%20Examinations.sql)
+- [570. Managers with at Least 5 Direct Reports](./leetcode/medium/570.%20Managers%20with%20at%20Least%205%20Direct%20Reports.sql)
+- [1934. Confirmation Rate](./leetcode/medium/1934.%20Confirmation%20Rate.sql)
+
+### Basic Aggregate Functions
+
+- [620. Not Boring Movies](./leetcode/easy/620.%20Not%20Boring%20Movies.sql)
+- [1251. Average Selling Price](./leetcode/easy/1251.%20Average%20Selling%20Price.sql)
+- [1075. Project Employees I](./leetcode/easy/1075.%20Project%20Employees%20I.sql)
+- [1633. Percentage of Users Attended a Contest](./leetcode/easy/1633.%20Percentage%20of%20Users%20Attended%20a%20Contest.sql)
+- [1211. Queries Quality and Percentage](./leetcode/easy/1211.%20Queries%20Quality%20and%20Percentage.sql)
+- [1193. Monthly Transactions I](./leetcode/medium/1193.%20Monthly%20Transactions%20I.sql)
+- [1174. Immediate Food Delivery II](./leetcode/medium/1174.%20Immediate%20Food%20Delivery%20II.sql)
+- [550. Game Play Analysis IV](./leetcode/medium/550.%20Game%20Play%20Analysis%20IV.sql)
+
+### Sorting and Grouping
+
+- [2356. Number of Unique Subjects Taught by Each Teacher](./leetcode/easy/2356.%20Number%20of%20Unique%20Subjects%20Taught%20by%20Each%20Teacher.sql)
+- [1141. User Activity for the Past 30 Days I](./leetcode/easy/1141.%20User%20Activity%20for%20the%20Past%2030%20Days%20I.sql)
+- [1070. Product Sales Analysis III](./leetcode/medium/1070.%20Product%20Sales%20Analysis%203.sql)
+- [596. Classes With at Least 5 Students](./leetcode/easy/596.%20Classes%20With%20at%20Least%205%20Students.sql)
+- [1729. Find Followers Count](./leetcode/easy/1729.%20Find%20Followers%20Count.sql)
+- [619. Biggest Single Number](./leetcode/easy/619.%20Biggest%20Single%20Number.sql)
+- [1045. Customers Who Bought All Products](./leetcode/medium/1045.%20Customers%20Who%20Bought%20All%20Products.sql)
+
+### Advanced Select and Joins
+
+- [1731. The Number of Employees Which Report to Each Employee](./leetcode/easy/1731.%20The%20Number%20of%20Employees%20Which%20Report%20to%20Each%20Employee.sql)
+- [1789. Primary Department for Each Employee](./leetcode/easy/1789.%20Primary%20Department%20for%20Each%20Employee.sql)
+- [610. Triangle Judgement](./leetcode/easy/610.%20Triangle%20Judgement.sql)
+- [180. Consecutive Numbers](./leetcode/medium/180.%20Consecutive%20Numbers.sql)
+- [1164. Product Price at a Given Date](./leetcode/medium/1164.%20Product%20Price%20at%20a%20Given%20Date.sql)
+- [1204. Last Person to Fit in the Bus](./leetcode/medium/1204.%20Last%20Person%20to%20Fit%20in%20the%20Bus.sql)
+- [1907. Count Salary Categories](./leetcode/medium/1907.%20Count%20Salary%20Categories.sql)
+
+### Subqueries
+
+- [1978. Employees Whose Manager Left the Company](./leetcode/easy/1978.%20Employees%20Whose%20Manager%20Left%20the%20Company.sql)
+- [626. Exchange Seats](./leetcode/medium/626.%20Exchange%20Seats.sql)
+- [1321. Restaurant Growth](./leetcode/medium/1321.%20Restaurant%20Growth.sql)
+- [1341. Movie Rating](./leetcode/medium/1341.%20Movie%20Rating.sql)
+- [602. Friend Requests II: Who Has the Most Friends](./leetcode/medium/602.%20Friend%20Requests%20II:%20Who%20Has%20the%20Most%20Friends.sql)
+- [585. Investments in 2016](./leetcode/medium/585.%20Investments%20in%202016.sql)
+- [185. Department Top Three Salaries](./leetcode/hard/185.%20Department%20Top%20Three%20Salaries.sql)
+
+### Advanced String Functions / Regex / Clause
+
+- [1667. Fix Names in a Table](./leetcode/easy/1667.%20Fix%20Names%20in%20a%20Table.sql)
+- [1527. Patients With a Condition](./leetcode/easy/1527.%20Patients%20With%20a%20Condition.sql)
+- [176. Second Highest Salary](./leetcode/medium/176.%20Second%20Highest%20Salary.sql)
+- [1484. Group Sold Products By The Date](./leetcode/easy/1484.%20Group%20Sold%20Products%20By%20The%20Date.sql)
+- [196. Delete Duplicate Emails](./leetcode/easy/196.%20Delete%20Duplicate%20Emails.sql)
+- [1327. List the Products Ordered in a Period](./leetcode/easy/1327.%20List%20the%20Products%20Ordered%20in%20a%20Period.sql)
+- [1517. Find Users With Valid E-Mails](./leetcode/easy/1517.%20Find%20Users%20With%20Valid%20E-Mails.sql)
+
+## All Tasks List
 
 1. [Easy](./leetcode/easy/)
     - [175. Combine Two Tables](./leetcode//easy/175.%20Combine%20Two%20Tables.sql)
@@ -121,7 +177,7 @@ Style guide for contributors:
 1. Add description to all tasks from Leetcode.
 2. Name file pattern: xxx.Task name.sql
 3. All keywords must be uppercase.
-4. For every task create new branch with pattern: task/task-name -> make PR to main.
+4. For every task create new branch with pattern: task/task-id -> make PR to main.
 
 Have a good contributing!