update readme, package informations and add logo

Author: DavidAyotte

README.md

@@ -1,12 +1,12 @@
-# pari-gp-lang README
+# PARI/GP Syntax Highlighting for Visual Studio Code
 
-This syntax higlighting extension for vscode provides basic colorization for some syntax of the gp scripting language for [PARI/GP](https://pari.math.u-bordeaux.fr/).
+This package provides syntax highlighting for GP, the scripting language of the open source computer algebra system [PARI/GP](https://pari.math.u-bordeaux.fr/).
 
-## How to install it globally:
+## How to install:
 
 Clone the repo and place it in your extensions folder located at:
 
-* Windows: `C:\Users\your-user-name\.vscode\extensions`
-* Linux (WSL 2): `/home/your-user-name/.vscode-server/extensions`
-* Linux: `/home/your-user-name/.vscode/extensions`
-
+* Windows %USERPROFILE%\.vscode\extensions
+* Windows-WSL ~/.vscode-server/extensions
+* macOS ~/.vscode/extensions
+* Linux ~/.vscode/extensions

icons/Logo_PARI-GP_Couleurs_L300px.png

@@ -2,7 +2,8 @@
     "name": "pari-gp-lang",
     "displayName": "PARI/GP",
     "description": "Syntax highlighting for PARI/GP",
-    "version": "0.0.1",
+    "icon": "icons/Logo_PARI-GP_Couleurs_L300px.png",
+    "version": "1.0.0",
     "engines": {
         "vscode": "^1.53.0"
     },