add launch configuration and task for development with yarn for use with visual studio code

.vscode/launch.json

@@ -0,0 +1,14 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Run yarn dev",
+            "runtimeExecutable": "yarn",
+            "runtimeArgs": ["dev"],
+            "cwd": "${workspaceFolder}",
+            "console": "integratedTerminal"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,12 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Install yarn dependencies",
+            "type": "shell",
+            "command": "yarn install"
+        }
+    ]
+}

README.md

@@ -78,17 +78,25 @@ git clone https://github.com/BetterDiscord/installer && cd installer
 This will create a local copy of this repository and navigate you to the root folder of the repository.
 
 ### 2: Install Dependencies
+**If you are using Visual Studio Code for development, you can go into View > Command Pallete > "Tasks: Run Tasks" > "Install yarn dependencies" to install as well.**
+
 Run this command at the root folder to install dependencies:
 ```ps
 yarn install
 ```
 
+
+
 ### 3: Run Build Script
+**If you are using Visual Studio Code for development, you can debug by opening the "Run and Debug" menu and launch "Run yarn dev"**
+
 To run the installer in development mode, simply run the following command:
 ```ps
 yarn dev
 ```
 
+
+
 ## Additional Scripts
 
 ### Linting