V2 alpha - initial version (#172)

Initial alpha codebase for version 2 of WireGuard Portal.
This version is considered unstable and incomplete (for example, no public REST API)! 
Use with care!


Fixes/Implements the following issues:
 - OAuth support #154, #1 
 - New Web UI with internationalisation support #98, #107, #89, #62
 - Postgres Support #49 
 - Improved Email handling #47, #119 
 - DNS Search Domain support #46 
 - Bugfixes #94, #48 

---------

Co-authored-by: Fabian Wechselberger <wechselbergerf@hotmail.com>

internal/config/web.go

@@ -0,0 +1,12 @@
+package config
+
+type WebConfig struct {
+	RequestLogging    bool   `yaml:"request_logging"`
+	ExternalUrl       string `yaml:"external_url"`
+	ListeningAddress  string `yaml:"listening_address"`
+	SessionIdentifier string `yaml:"session_identifier"`
+	SessionSecret     string `yaml:"session_secret"`
+	CsrfSecret        string `yaml:"csrf_secret"`
+	SiteTitle         string `yaml:"site_title"`
+	SiteCompanyName   string `yaml:"site_company_name"`
+}