Add documentation

DOC_EN.MD

@@ -0,0 +1,117 @@
+
+# Description of AG.Logs library
+
+## TAGLog
+
+It is abstract class for using in any parts of code.
+  
+### public metods & propertys
+
++ #### class function GenerateLogString(const s:string;o:TObject=nil):string;static;
+
+	Function for add time and object information (if o is not nil) to string
+
++ #### procedure Indent();
+
+	Procedure for add ident to all next strings.
+
++ #### procedure UnIndent();
+
+	Procedure for remove ident from all next strings.
+
++ #### procedure Write(const Text:string;o:TObject=nil);
+
+	Write string in log.
+
++ #### property IndentText:string;
+
+	String what using as indent symbol in log string. Default is DefOneTabStr const(two spaces).
+
+********************************************
+## TAGRamLog
+
+Write log in RAM buffer.
+
+### public metods & propertys
+
++ #### buf:String;
+
+	Buffer when you can find log.
+
+********************************************
+## TAGDiskLog
+
+File log.
+
+### public metods & propertys
+
++ #### constructor Create(const FileName:String);
+
+	Use to create log from file name. If file not exist if will created.
+
+********************************************
+## TAGNullLog
+
+Use if you don't need log, but don't want del logging from code.
+
+********************************************
+## TAGCommandLineLog
+
+Write log to command line.
+
+### public metods & propertys
+
++ #### constructor Create(Handele:THandle);
+
+	Use to create log from winapi handle. Use as:
+
+	`Log:=TAGCommandLineLog.Create(GetStdHandle(STD_OUTPUT_HANDLE));`
+
+********************************************
+## TAGStreamLog
+
+Write log to pascal stream.
+
+### public metods & propertys
+
++ #### constructor Create(Astream:TStream);
+
+	Use to create log from pascal stream.
+
+********************************************
+## TAGCallBackLog
+
+Write log to callback.
+
+### public metods & propertys
+      
++ #### TCallBack
+
+	Type. In delphi it is anonimus procedure, in free pascal - standart procedure. Declaration:
+
+	`TCallBack={$IFNDEF FPC}reference to{$ENDIF}procedure(s:string);`
+
++ #### constructor Create(ACallBack:TCallBack);
+
+	Use to create log from callback.
+
+********************************************
+## TAGMultiLog
+
+Write all to other logs.
+
+### public metods & propertys
+      
++ #### TLogsList
+
+	Type for list of logs. In delphi it is `System.Generics.Collections.TList`, in free pascal - `FGL.TFPGList`. Declaration:
+
+	`TLogsList={$IFDEF FPC}specialize TFPGList<TAGLog>{$ELSE}TList<TAGLog>{$ENDIF}`
+
++ #### constructor Create(ALogs:TLogsList);
+
+	Use to create log from TLogsList. If ALogs is nil.
+
+
+
+