Add version requirements for VS Code (#109)

Author: jdneo

README.md

@@ -24,6 +24,7 @@
 - [中文文档](https://github.com/jdneo/vscode-leetcode/blob/master/docs/README_zh-CN.md)
 
 ## Requirements
+- [VS Code 1.23.0+](https://code.visualstudio.com/)
 - [Node.js 8+](https://nodejs.org)
     > NOTE: Please make sure that `Node` is in your `PATH` environment variable. You can check this by running: `node -v`.
 
@@ -63,7 +64,7 @@
 
 ### Pick a Problem
 <p align="center">
-  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/pick_problem.png" alt="Pick a problem" />
+  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/pick_problem.png" alt="Pick a Problem" />
 </p>
 
 - Right click the problem in the `LeetCode Explorer` and select `Show Problem` will generate a new file with the problem description for you.
@@ -74,7 +75,7 @@
 
 ### Submit the Answer
 <p align="center">
-  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/submit.png" alt="Switch Endpoint" />
+  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/submit.png" alt="Submit the Answer" />
 </p>
 
 - You can submit the answer by clicking `🙏 Submit to LeetCode` at the bottom of the file. Or you can trigger the command: **LeetCode: Submit to LeetCode** to submit the **active** file as the answer.
@@ -83,7 +84,7 @@
 
 ### Test the Answer
 <p align="center">
-  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/test.png" alt="Switch Endpoint" />
+  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/test.png" alt="Test the Answer" />
 </p>
 
 - To **test** your answer, right click in the editor and select `Test in LeetCode`.
@@ -97,7 +98,7 @@
 
 ### Search problems by Keywords
 <p align="center">
-  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/search.png" alt="Switch Endpoint" />
+  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/search.png" alt="Search problems by Keywords" />
 </p>
 
 - By clicking the button ![btn_search](https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/btn_search.png) at the **explorer's navigation bar**, you can search the problems by keywords.
@@ -106,7 +107,7 @@
 
 ### Manage Session
 <p align="center">
-  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/session.png" alt="Switch Endpoint" />
+  <img src="https://raw.githubusercontent.com/jdneo/vscode-leetcode/master/docs/imgs/session.png" alt="Manage Session" />
 </p>
 
 - To manage your LeetCode sessions, just clicking the `LeetCode: ***` at the bottom of the status bar. You can **switch** between sessions or **create** a new session.

docs/README_zh-CN.md

@@ -24,6 +24,7 @@
 - [中文文档](https://github.com/jdneo/vscode-leetcode/blob/master/docs/README_zh-CN.md)
 
 ## 运行条件
+- [VS Code 1.23.0+](https://code.visualstudio.com/)
 - [Node.js 8+](https://nodejs.org)
     > 注意：请确保`Node`在`PATH`环境变量中，您可以通过执行：`node -v`进行查看。