Major 2.0 (#20)

* New 2.0 version + DependencyInjection library

* Updated docs and repo settings (devcontainers, vscode, github, etc.)

* Added tests

* Fixed bugs

* Minor test project refactoring

* Updated projects
- Added symbol packages
- Updated package versions to pre-release

* Updated SECURITY.md

* Added GitHub Actions workflows

.vscode/extensions.json

@@ -0,0 +1,11 @@
+{
+	"recommendations": [
+		"bierner.github-markdown-preview",
+		"github.vscode-github-actions",
+		"GitHub.vscode-pull-request-github",
+		"Gruntfuggly.todo-tree",
+		"ms-dotnettools.csdevkit",
+		"patcx.vscode-nuget-gallery",
+		"saeris.markdown-github-alerts"
+	]
+}

.vscode/settings.json

@@ -0,0 +1,13 @@
+{
+	"editor.insertSpaces": false,
+	"editor.rulers": [
+		{
+			"column": 120
+		}
+	],
+	"files.eol": "\n",
+	"files.insertFinalNewline": true,
+	"files.trimFinalNewlines": true,
+	"files.trimTrailingWhitespace": true,
+	"omnisharp.organizeImportsOnFormat": true,
+}

.vscode/tasks.json

@@ -0,0 +1,80 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"label": "build",
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			},
+			"command": "dotnet",
+			"type": "process",
+			"args": [
+				"build",
+				"${workspaceFolder}/SimpleOTP.sln",
+				"/property:GenerateFullPaths=true",
+				"/consoleloggerparameters:NoSummary;ForceNoAlign"
+			],
+			"problemMatcher": "$msCompile"
+		},
+		{
+			"label": "restore",
+			"group": "build",
+			"command": "dotnet",
+			"type": "process",
+			"args": [
+				"restore",
+				"${workspaceFolder}/SimpleOTP.sln"
+			],
+			"problemMatcher": "$msCompile"
+		},
+		{
+			"label": "publish: SimpleOTP",
+			"group": "build",
+			"command": "dotnet",
+			"type": "process",
+			"args": [
+				"publish",
+				"${workspaceFolder}/libraries/SimpleOTP/SimpleOTP.csproj",
+				"/property:GenerateFullPaths=true",
+				"/consoleloggerparameters:NoSummary;ForceNoAlign"
+			],
+			"problemMatcher": "$msCompile"
+		},
+		{
+			"label": "publish: SimpleOTP.DependencyInjection",
+			"group": "build",
+			"command": "dotnet",
+			"type": "process",
+			"args": [
+				"publish",
+				"${workspaceFolder}/libraries/SimpleOTP.DependencyInjection/SimpleOTP.DependencyInjection.csproj",
+				"/property:GenerateFullPaths=true",
+				"/consoleloggerparameters:NoSummary;ForceNoAlign"
+			],
+			"problemMatcher": "$msCompile"
+		},
+		{
+			"label": "pack: SimpleOTP",
+			"group": "build",
+			"command": "dotnet",
+			"type": "process",
+			"args": [
+				"pack",
+				"${workspaceFolder}/libraries/SimpleOTP/SimpleOTP.csproj"
+			],
+			"problemMatcher": "$msCompile"
+		},
+		{
+			"label": "pack: SimpleOTP.DependencyInjection",
+			"group": "build",
+			"command": "dotnet",
+			"type": "process",
+			"args": [
+				"pack",
+				"${workspaceFolder}/libraries/SimpleOTP.DependencyInjection/SimpleOTP.DependencyInjection.csproj"
+			],
+			"problemMatcher": "$msCompile"
+		}
+	]
+}