dotnet-ide content: enhance and refactor (#460)

Having `Overview` makes more sense than some `Sumary` in the end. I've also reformulated some sentences and moved VSCodium into subsection.

Author: pvalena

tech/languages/dotnet/dotnet-ide.md

@@ -14,19 +14,13 @@ order: 4
 | [JetBrains Rider](http://jetbrains.com/rider) | [Proprietary](https://www.jetbrains.com/store/license.html), free for [Education and OpenSource](https://www.jetbrains.com/store/#edition=discounts) | ✔ | ✔ | ✔ |  |
 | [Visual Studio Code](https://code.visualstudio.com) with [C# plugin](https://marketplace.visualstudio.com/items?itemName=ms-vscode.csharp) | Binary is [Proprietary](https://code.visualstudio.com/License/), Source Code is [MIT](https://github.com/Microsoft/vscode/blob/master/LICENSE.txt), C# extension is [Proprietary](https://marketplace.visualstudio.com/items/ms-vscode.csharp/license) | ✔ |  | ✔ |  |
 
-## Installing Eclipse
+## Overview
 
-First install Eclipse through [Flatpak](/deployment/flatpak/about.html)
-```
-$ flatpak install org.eclipse.Java
-```
-then install the aCute extension from the [Marketplace](https://marketplace.eclipse.org/content/acute-c-edition-eclipse-ide-experimental)
+[JetBrains Rider](#installing-jetbrains-rider) is the most complete C# IDE, however it is not open source.
 
-## Installing MonoDevelop
+[Visual Studio Code](#installing-visual-studio-code) and [MonoDevelop](#installing-monodevelop) work well for .NET Core and for Mono, respectively.
 
-```
-$ sudo dnf install monodevelop
-```
+[Eclipse](#installing-eclipse) is still young and not yet friendly for the former Windows developer. It is a good choice if you're already an Eclipse IDE user.
 
 ## Installing JetBrains Rider
 
@@ -35,14 +29,16 @@ $ sudo dnf install monodevelop
 
 ## Installing Visual Studio Code
 
+### From Microsoft
 [Visual Studio Code](https://code.visualstudio.com) is available:
-  * as an RPM downloadable from their website like so:
+  * packaged as an RPM
 
-    First import the GPG key:
+    First, lets import the GPG key:
     ```console
     $ sudo rpm --import https://packages.microsoft.com/keys/microsoft.asc
     ```
-    Then create a repo file `/etc/yum.repos.d/vscode.repo` with the following content:
+    
+    Then, we need to create a repo file `/etc/yum.repos.d/vscode.repo` with the following content:
     ```
     [code]
     name=Visual Studio Code
@@ -51,28 +47,39 @@ $ sudo dnf install monodevelop
     gpgcheck=1
     gpgkey=https://packages.microsoft.com/keys/microsoft.asc
     ```
+    _You need root permissions to create file in this location._
 
-    After creating the repo file to install the Visual Studio Code run:
+    After creating the repo file you can install the Visual Studio Code with:
     ```console
     $ sudo dnf install code
     ```
 
-  * as a [Flatpak](/deployment/flatpak/about.html) package installable like so:
+  * distributed as a [Flatpak](/deployment/flatpak/about.html)
     ```console
     $ flatpak install com.visualstudio.code
     ```
 
-After installing Visual Studio Code you can install the C# Extension from the [Marketplace](https://marketplace.visualstudio.com/items?itemName=ms-vscode.csharp).
+After installing Visual Studio Code, to get full features of the editor, install the C# Extension from the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=ms-vscode.csharp).
 
-Alternatively use the [VSCodium](https://vscodium.com/) for Free/Libre Open Source Software Binaries of VSCode.
+### VSCodium
 
-## Summary
+[VSCodium](https://vscodium.com/) are Free/Libre Open Source Software Binaries of VSCode.
 
-JetBrains Rider is the most complete C# IDE, however it is not open source.
 
-VS Code and MonoDevelop work well for .NET Core and for Mono, respectively.
+## Installing MonoDevelop
+
+```
+$ sudo dnf install monodevelop
+```
+
+## Installing Eclipse
+
+First install Eclipse through [Flatpak](/deployment/flatpak/about.html)
+```
+$ flatpak install org.eclipse.Java
+```
+then install the aCute extension from the [Eclipse Marketplace](https://marketplace.eclipse.org/content/acute-c-edition-eclipse-ide-experimental)
 
-C# via Eclipse is still young and not very friendly for the former Windows developer, but it can be useful if you're already an Eclipse IDE user.
 
 ## References