Change layout to more go-style-ish, replace some modules

* Deejay files, split them to achieve go-style project layout
* Replace logrus with log/slog module to reduce dependencies
* Replace gopkg.in/ini.v1 with github.com/wlevene/ini to make sure all modules BSD licensed
* Update linter config && fix tons of linter warnings
* Update .gitignore
* Update README.md

vendor/github.com/wlevene/ini/token/token.go

@@ -0,0 +1,52 @@
+package token
+
+import "fmt"
+
+type TokenType string
+
+const (
+	TokenType_ILLEGAL = "ILLEGAL"
+	TokenType_EOF     = "EOF"
+	Ident             = "Ident"
+
+	TokenType_SECTION  = "SECTION"
+	TokenType_KEY      = "KEY"
+	TokenType_VALUE    = "VALUE"
+	TokenType_COMMENT  = "#"
+	TokenType_COMMENT2 = "#"
+
+	TokenType_ASSIGN   = "="
+	TokenType_LBRACKET = "["
+	TokenType_RBRACKET = "]"
+
+	RETURN = "RETURN"
+)
+
+type Token struct {
+	Type    TokenType
+	Literal string
+	Line    int
+}
+
+var keywords = map[string]TokenType{
+	"return": RETURN,
+}
+
+func LookupIdent(ident string) TokenType {
+	if tok, ok := keywords[ident]; ok {
+		return tok
+	}
+	return Ident
+}
+
+func (t Token) String() string {
+	return fmt.Sprintf("{Type:%s,Literal:\"%s\" Linie:%d}",
+		t.Type,
+		t.Literal,
+		t.Line)
+}
+
+//Is check type of a token
+func (t Token) Is(typ TokenType) bool {
+	return t.Type == typ
+}