Add dotnet

Jenkinsfile

@@ -2,24 +2,28 @@ pipeline {
  agent any
  
  stages {
+  stage('Install') {
+   steps {
+     sh "./dotnet-install.sh"
+   }
   stage('Restore') {
    steps {
     dir('Serwer') {
-     sh "dotnet restore"
+     sh "~/.dotnet/dotnet restore"
     }
    }
   }
   stage('Clean') {
    steps {
     dir('Serwer') {
-     sh "dotnet clean"
+     sh "~/.dotnet/dotnet clean"
     }
    }
   }
   stage('Build') {
    steps {
     dir('Serwer') {
-     sh "dotnet build --configuration Relase"
+     sh "~/.dotnet/dotnet build --configuration Relase"
     }
    }
   }