Adding install instructions for vs2019, windows terminal (preview), i…

…ntellij ide 2019 in readme.md (microsoft#155)

* Added "Installing Cascadia Code in Visual Studio 2019" in README.md

* fixed image path vs2019

* Added "Installing Cascadia Code in Windows Terminal (Preview)" in README.md

* Added "Installing Cascadia Code in Intellij IDE 2019" in README.md

* Apply suggestions from code review

Co-Authored-By: Kayla Cinnamon <[email protected]>
Co-Authored-By: ItzLevvie <[email protected]>

* Update README.md

Installing changed to Setting

Co-Authored-By: Kayla Cinnamon <[email protected]>

README.md

@@ -94,6 +94,40 @@ This is the planned roadmap for Cascadia Code. Please be aware that the delivery
 
 ![VS Code Settings](images/vscode-ligature-settings.png "VS Code Ligatures Setting")
 
+# Setting Cascadia Code in Visual Studio 2019
+
+1. Go to `Tools > Options` in Visual Studio 2019.
+2. Enter "Fonts and Colors" in search field or go to `Environment > Fonts and Colors`.
+3. Select `Text Editor` in `Show settings for:`.
+4. In the `Fonts` Dropdown select `Cascadia Code`.
+5. Press `Ok` and you're good to go.
+
+> Note: If you've installed the font and it does not get applied in Visual Studio 2019, try restarting Visual Studio 2019.
+
+![Visual Studio 2019 Settings](images/vs2019-font-settings.png "Visual Studio 2019 Font Settings")  
+
+# Setting Cascadia Code in Windows Terminal (Preview)
+
+1. Go to the Dropdown `Preferences` or hit `Ctrl + ,` in Windows Terminal (Preview).
+2. Open the `profiles.json` in an editor like VS Code.
+3. Scroll down to the `"profiles"` Property.
+4. Look for your desired profile.
+5. Change the `"fontFace"` attribute to `"fontFace": "Cascadia Code"`.
+
+![Windows Terminal (Preview) Settings](images/windows-terminal-preview-font-settings.png "Windows Terminal (Preview) Font Settings")
+
+![Windows Terminal (Preview) Settings](images/windows-terminal-preview-font-settings-json.png "Windows Terminal (Preview) Font Settings")
+
+# Setting Cascadia Code in IntelliJ IDE 2019
+
+1. Go to the Dropdown `File > Settings` or hit `Ctrl + Alt + S` in IntelliJ IDE 2019.
+2. Enter "Appearance" in search field or go to `Editor > Font`.
+4. Select `Cascadia Code` in the Dropdown.
+5. Select Enable Font Ligatures
+6. Press Ok and you're good to go.
+
+![IntelliJ IDE 2019 Settings](images/intellij-ide-2019-font-settings.png "IntelliJ IDE 2019 Font Settings")
+
 # Code of Conduct
 
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/)