edit install plugin url (#81)

Author: EdwardAngert

README.md

@@ -16,9 +16,9 @@ To install this plugin using JetBrains Toolbox, follow the steps below.
 
 ### Install Coder plugin via URI
 
-You can quickly install the plugin using this JetBrains hyperlink.
+You can quickly install the plugin using this JetBrains hyperlink:
 
-👉 [Install plugin](jetbrains://gateway/com.coder.toolbox)
+👉 <jetbrains://gateway/com.coder.toolbox>
 
 This will open JetBrains Toolbox and prompt you to install the Coder Toolbox plugin automatically.
 
@@ -106,4 +106,4 @@ experience, it’s recommended to ensure the workspace is running prior to initi
 1. Check that the changelog lists all the important changes.
 2. Update the gradle.properties version.
 3. Publish the resulting draft release after validating it.
-4. Merge the resulting changelog PR.
+4. Merge the resulting changelog PR.