Add "dotnet new" benchmark project template

templates/BenchmarkDotNet.BenchmarkPorjectTemplate.CSharp/BenchmarkDotNet.BenchmarkProjectTemplate.CSharp.nuspec

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+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd">
+  <metadata>
+    <id>BenchmarkDotNet.BenchmarkProjectTemplate.CSharp</id>
+    <version>0.11.3</version>
+    <description>A Benchmark project template.</description>
+    <authors>BenchmarkDotNet</authors>
+    <copyright>.NET Foundation and contributors</copyright>
+    <tags>benchmark;benchmarking;performance;template</tags>
+    <iconUrl>https://raw.githubusercontent.com/dotnet/BenchmarkDotNet/master/docs/guide/logo.png</iconUrl>
+    <projectUrl>https://github.com/dotnet/BenchmarkDotNet</projectUrl>
+    <license>MIT</license>
+    <RepositoryType>git</RepositoryType>
+    <repository>https://github.com/dotnet/BenchmarkDotNet</repository>
+    <packageTypes>
+      <packageType name="Template" />
+    </packageTypes>
+  </metadata>
+</package>

templates/BenchmarkDotNet.BenchmarkPorjectTemplate.CSharp/content/.template.config/template.json

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+{
+    "$schema": "http://json.schemastore.org/template",
+    "identity": "BenchmarkDotNet.BenchmarkProjectTemplate.CSharp",
+    "name": "Benchmark Project",
+    "shortName": "benchmark",
+    "groupIdentity": "BenchmarkDotNet",
+    "classifications": [
+      "Benchmark",
+      "Library"
+    ],
+    "precedence": "3000",
+    "tags": {
+      "language": "C#",
+      "type": "project"
+    },
+    "description": "A project template for creating benchmarks.",
+    "author": "BenchmarkDotnet",
+    "generatorVersions": "[1.0.0.0-*)",
+
+    "sourceName": "_BenchmarkProjectName_",
+    "preferNameDirectory": true,
+    "defaultName": "MyBenchmark",
+    "symbols": {
+      "benchmarkName": {
+        "type": "parameter",
+        "datatype": "string",
+        "description": "The name of the benchmark class.",
+        "defaultValue": "MyBenchmark",
+        "FileRename" : "_BenchmarkName_",
+        "replaces": "$(BenchmarkName)"
+      },
+      "frameworks": {
+        "type": "parameter",
+        "datatype": "string",
+        "description": "The target framework(s) for the project (e.g. netstandard2.0;net472).",
+        "defaultValue": "netstandard2.0",
+        "replaces": "$(Frameworks)"
+      },
+      "config": {
+        "type": "parameter",
+        "datatype": "bool",
+        "description": "Adds a benchmark config class.",
+        "defaultValue": "false"
+      },
+      "skipRestore": {
+        "type": "parameter",
+        "datatype": "bool",
+        "description": "If specified, skips the automatic restore of the project on create.",
+        "defaultValue": "false"
+      }
+    },
+    "sources": [
+      {
+        "source": "./",
+        "target": "./",
+        "exclude": [
+          ".template.config/**"
+        ],
+        "modifiers": [
+            { 
+                "condition": "(!config)",
+                "exclude": [
+                    "BenchmarkConfig.cs"
+            ]}
+        ]
+      }
+    ],
+    "primaryOutputs": [
+      {
+        "path": "_BenchmarkProjectName_.csproj"
+      }
+    ],
+    "postActions": [
+      {
+        "condition": "(!skipRestore)",
+        "description": "Restore NuGet packages required by this project.",
+        "manualInstructions": [
+          {
+            "text": "Run 'dotnet restore'"
+          }
+        ],
+        "actionId": "210D431B-A78B-4D2F-B762-4ED3E3EA9025",
+        "continueOnError": true
+      }
+    ]
+  }

templates/BenchmarkDotNet.BenchmarkPorjectTemplate.CSharp/content/BenchmarkConfig.cs

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+using BenchmarkDotNet.Analysers;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Columns;
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Exporters;
+using BenchmarkDotNet.Exporters.Csv;
+using BenchmarkDotNet.Jobs;
+using BenchmarkDotNet.Loggers;
+
+
+namespace _BenchmarkProjectName_
+{
+
+    public class BenchmarkConfig : ManualConfig
+    {
+        public Config()
+        {
+            // Configure your benchmarks, see for more details: https://benchmarkdotnet.org/articles/configs/configs.html.
+            //Add(Job.Dry);
+            //Add(ConsoleLogger.Default);
+            //Add(TargetMethodColumn.Method, StatisticColumn.Max);
+            //Add(RPlotExporter.Default, CsvExporter.Default);
+            //Add(EnvironmentAnalyser.Default);
+        }
+    }
+}

templates/BenchmarkDotNet.BenchmarkPorjectTemplate.CSharp/content/_BenchmarkName_.cs

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+using System;
+using BenchmarkDotNet;
+using BenchmarkDotNet.Attributes;
+
+namespace _BenchmarkProjectName_
+{
+#if(config)
+    [Config(typeof(BenchmarkConfig))]
+#endif
+    public class $(BenchmarkName)
+    {
+
+        [Benchmark]
+        public void YourBenchmark()
+        {
+            // Implement your benchmark here
+
+
+        }
+    }
+}

templates/BenchmarkDotNet.BenchmarkPorjectTemplate.CSharp/content/_BenchmarkProjectName_.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFrameworks>$(Frameworks)</TargetFrameworks>
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <DebugSymbols>true</DebugSymbols>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <Optimize>true</Optimize>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.1*" />
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.1*" />
+  </ItemGroup>
+</Project>