add remote release notes

remote-release-notes/images/1_46/extensions-install-preferred.png

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+version https://git-lfs.github.com/spec/v1
+oid sha256:f7e79664ae1a149ceb5e2422ea9d4128c6815f61f1529a38b29130d90ec9ca1f
+size 119189

remote-release-notes/v1_46.md

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+# May 2020 (version 1.46)
+
+## VS Code Remote Core
+
+With this release, we allow you to install an already installed mulit-kind (that can run locally or remotely) extension in its preferrable location using `Install in Remote` or `Install Locally` action. For example, take [Docker extension](https://marketplace.visualstudio.com/items?itemName=ms-azuretools.vscode-docker) that preferrably runs remotely and is installed and running locally, then we show `Install in Remote` action on Docker extension to install and run it remotely as below:
+
+![Install Extension](images/1_46/extensions-install-preferred.png)
+
+*Theme: GitHub Sharp with Customizations*
+
+`Remote: Install Local Extensions in Remote` command that lists extensions to install on remote now also includes all multi-kind extensions.