[MINOR] Add git ignores for vscode and metals
[MINOR] Add git ignores for vscode and metals

### What changes were proposed in this pull request?

Add new git ignore entries for a Visual Studio Code with Metals Scala plugin setup.

### Why are the changes needed?

To not have to constantly stash and pop my gitignore changes when changing branches.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

It ignores all the VSCode/Metals files I have locally.

Closes #35610 from Kimahriman/vscode-metals-gitignores.

Authored-by: Adam Binford <544d00f02b3a0f9ca8ed577d0c8137da8c2b898e@gmail.com>
Signed-off-by: Sean Owen <d519fa33a62684a61ab04b24d26f83452d51b34c@gmail.com>

apache/spark,rednaxelafx/apache-spark,gengliangwang/spark,nchammas/spark,dongjoon-hyun/spark,wangyum/spark,dongjoon-hyun/spark,mahak/spark,HyukjinKwon/spark,ueshin/apache-spark,holdenk/spark,srowen/spark,WeichenXu123/spark,zzcclp/spark,ueshin/apache-spark,wangyum/spark,witgo/spark,JoshRosen/spark,gengliangwang/spark,rednaxelafx/apache-spark,wangyum/spark,JoshRosen/spark,zero323/spark,srowen/spark,nchammas/spark,ueshin/apache-spark,hvanhovell/spark,wangyum/spark,gengliangwang/spark,srowen/spark,cloud-fan/spark,mahak/spark,hvanhovell/spark,shaneknapp/spark,hvanhovell/spark,ueshin/apache-spark,srowen/spark,srowen/spark,holdenk/spark,HyukjinKwon/spark,HyukjinKwon/spark,nchammas/spark,vinodkc/spark,mahak/spark,shaneknapp/spark,zero323/spark,holdenk/spark,dongjoon-hyun/spark,cloud-fan/spark,gengliangwang/spark,wangyum/spark,zzcclp/spark,JoshRosen/spark,cloud-fan/spark,vinodkc/spark,ueshin/apache-spark,vinodkc/spark,witgo/spark,rednaxelafx/apache-spark,zzcclp/spark,HyukjinKwon/spark,apache/spark,vinodkc/spark,hvanhovell/spark,JoshRosen/spark,holdenk/spark,srowen/spark,zero323/spark,JoshRosen/spark,zero323/spark,dongjoon-hyun/spark,witgo/spark,shaneknapp/spark,zzcclp/spark,rednaxelafx/apache-spark,apache/spark,gengliangwang/spark,gengliangwang/spark,WeichenXu123/spark,zero323/spark,HyukjinKwon/spark,cloud-fan/spark,ueshin/apache-spark,hvanhovell/spark,witgo/spark,cloud-fan/spark,cloud-fan/spark,zzcclp/spark,zzcclp/spark,wangyum/spark,wangyum/spark,apache/spark,apache/spark,rednaxelafx/apache-spark,nchammas/spark,mahak/spark,WeichenXu123/spark,mahak/spark,WeichenXu123/spark,JoshRosen/spark,apache/spark,zzcclp/spark,holdenk/spark,hvanhovell/spark,rednaxelafx/apache-spark,witgo/spark,cloud-fan/spark,dongjoon-hyun/spark,vinodkc/spark,gengliangwang/spark,JoshRosen/spark,mahak/spark,shaneknapp/spark,shaneknapp/spark,WeichenXu123/spark,nchammas/spark,vinodkc/spark,apache/spark,zero323/spark,hvanhovell/spark,zero323/spark,dongjoon-hyun/spark,srowen/spark,HyukjinKwon/spark,HyukjinKwon/spark,mahak/spark,shaneknapp/spark,shaneknapp/spark,holdenk/spark,witgo/spark,holdenk/spark,witgo/spark,WeichenXu123/spark,WeichenXu123/spark,dongjoon-hyun/spark,rednaxelafx/apache-spark,vinodkc/spark,ueshin/apache-spark,nchammas/spark,nchammas/spark