message: Update: CHANGELOG with PR details
  Fix: broken link formatting
diff: * "Restore Project" - Displays a drop-down that shows all the available projects in the solution or in the workspace. Selecting one of them would trigger a dotnet restore for the particular project.
  * "Restore All Projects" - Triggers a dotnet restore for all projects in the current solution or workspace.
  -* Modified the "Unresolved dependencies" prompt to restore the all the projects in the currently selected solution or workspace. (PR: [#2323] https://github.com/OmniSharp/omnisharp-vscode/pull/2323)
  +* Modified the "Unresolved dependencies" prompt to restore the all the projects in the currently selected solution or workspace. (PR: [#2323](https://github.com/OmniSharp/omnisharp-vscode/pull/2323))
  +
  +* Added support to configure the default *.sln file loaded when opening a project with multiple *.sln files in the root. _(Contributed by [@janaka](https://github.com/janaka))_ (PR: [#2053](https://github.com/OmniSharp/omnisharp-vscode/pull/2053))
  +
  #### Misc
  -* Added a prompt to "Restart OmniSharp" when there is a change in omnisharp "path", "useGlobalMono" or "waitForDebugger" settings.(PR: [#2316] https://github.com/OmniSharp/omnisharp-vscode/pull/2316)
  +* Added a prompt to "Restart OmniSharp" when there is a change in omnisharp "path", "useGlobalMono" or "waitForDebugger" settings.(PR: [#2316](https://github.com/OmniSharp/omnisharp-vscode/pull/2316))
  #### Editor
  