[docs] Update docs to clone Venice repo using ssh and add instructions on how to disable wildcard imports (#1392)

I'm changing the instructions to clone the Venice repo using ssh instead of https, as https can cause authentication issues when trying to perform a hotfix.

I'm also adding instructions on how to disable wildcard imports as this is not a code style the team follows.

Author: kvargha

docs/dev_guide/how_to/workspace_setup.md

@@ -15,9 +15,9 @@ Fork the Venice repo at [https://github.com/linkedin/venice](https://github.com/
 
 ## Setting up the repository locally
 ```shell
-git clone https://github.com/${githubUsername}/venice.git
+git clone git@github.com:${githubUsername}/venice.git
 cd venice
-git remote add upstream https://github.com/linkedin/venice.git
+git remote add upstream git@github.com:linkedin/venice.git
 git fetch upstream
 ```
 
@@ -39,6 +39,14 @@ To set up IntelliJ, run:
 ./gradlew idea
 ```
 
+### Disable wildcard imports
+1. In IntelliJ, click the gear icon in the top right and select settings
+2. Go to Editor -> Code Style -> Java and select Imports from the tabs
+3. Next to Scheme, select the gear icon and hit duplicate
+4. Only check `Use single class import`
+5. Set `Class count to use import with *` to 1000
+6. Set `Names count to use static import with *` to 1000
+
 ## Setting up your system
 ### Set the maximum number of open files limit
 There are many resources on the web for updating the limits of maximum number of open files for each operating system.