refactor(config): localize config used like a global variable (#1179)

* refactor(report): LocalFileWriter

* refactor -format-json

* refacotr: -format-one-email

* refactor: -format-csv

* refactor: -gzip

* refactor: -format-full-text

* refactor: -format-one-line-text

* refactor: -format-list

* refacotr: remove -to-* from config

* refactor: IgnoreGitHubDismissed

* refactor: GitHub

* refactor: IgnoreUnsocred

* refactor: diff

* refacotr: lang

* refacotr: cacheDBPath

* refactor: Remove config references

* refactor: ScanResults

* refacotr: constant pkg

* chore: comment

* refactor: scanner

* refactor: scanner

* refactor: serverapi.go

* refactor: serverapi

* refactor: change pkg structure

* refactor: serverapi.go

* chore: remove emtpy file

* fix(scan): remove -ssh-native-insecure option

* fix(scan): remove the deprecated option `keypassword`

constant/constant.go

@@ -0,0 +1,58 @@
+package constant
+
+// Global constant
+// Pkg local constants should not be defined here.
+// Define them in the each package.
+
+const (
+	// RedHat is
+	RedHat = "redhat"
+
+	// Debian is
+	Debian = "debian"
+
+	// Ubuntu is
+	Ubuntu = "ubuntu"
+
+	// CentOS is
+	CentOS = "centos"
+
+	// Fedora is
+	// Fedora = "fedora"
+
+	// Amazon is
+	Amazon = "amazon"
+
+	// Oracle is
+	Oracle = "oracle"
+
+	// FreeBSD is
+	FreeBSD = "freebsd"
+
+	// Raspbian is
+	Raspbian = "raspbian"
+
+	// Windows is
+	Windows = "windows"
+
+	// OpenSUSE is
+	OpenSUSE = "opensuse"
+
+	// OpenSUSELeap is
+	OpenSUSELeap = "opensuse.leap"
+
+	// SUSEEnterpriseServer is
+	SUSEEnterpriseServer = "suse.linux.enterprise.server"
+
+	// SUSEEnterpriseDesktop is
+	SUSEEnterpriseDesktop = "suse.linux.enterprise.desktop"
+
+	// SUSEOpenstackCloud is
+	SUSEOpenstackCloud = "suse.openstack.cloud"
+
+	// Alpine is
+	Alpine = "alpine"
+
+	// ServerTypePseudo is used for ServerInfo.Type, r.Family
+	ServerTypePseudo = "pseudo"
+)