Update README [skip ci]

README.md

@@ -7,7 +7,6 @@
 
 ## Advanced, Powerful and easy to use ORM for Qt5
 
-
 ## Features
 - Easy to use
 - Support PosgtreSQL, MySQL, SQLite and Microsoft Sql Server
@@ -15,6 +14,168 @@
 - Support for IDE autocomplete. No hard-coding is needed
 - Detecting table joins
 - Support common C++ and Qt-specific types ([Full list](doc/datatypes.md))
+- Bulk insertation
+
+## Qick start
+### Create table
+
+#### sampletable.h
+```
+#ifndef SAMPLETABLE_H
+#define SAMPLETABLE_H
+
+#include <QtNut/table.h>
+
+class SampleTable : public Nut::Table
+{
+    Q_OBJECT
+    Q_PROPERTY(int id READ id WRITE setId NOTIFY idChanged)
+    Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
+
+    int m_id;
+    QString m_name;
+
+    // BEGIN OF NUT MACROS
+    NUT_PRIMARY_KEY(id)
+    NUT_FIELD(int, id)
+    NUT_FIELD(QString, name)
+    //END OF NUT MACROS
+
+public:
+    explicit SampleTable(QObject *parent = nullptr);
+
+    int id() const;
+    QString name() const;
+
+public Q_SLOTS:
+    void setId(int id);
+    void setName(QString name);
+
+Q_SIGNALS:
+    void idChanged(int id);
+    void nameChanged(QString name);
+};
+
+#endif // SAMPLETABLE_H
+```
+
+#### sampletable.cpp:
+```
+#include "sampletable.h"
+
+SampleTable::SampleTable(QObject *parent) : Nut::Table(parent)
+{
+    init();
+}
+
+int SampleTable::id() const
+{
+    return m_id;
+}
+
+QString SampleTable::name() const
+{
+    return m_name;
+}
+
+QString SampleTable::lastName() const
+{
+    return m_lastName;
+}
+
+void SampleTable::setId(int id)
+{
+    if (m_id == id)
+        return;
+
+    m_id = id;
+    Q_EMIT idChanged(m_id);
+}
+
+void SampleTable::setName(QString name)
+{
+    if (m_name == name)
+        return;
+
+    m_name = name;
+    Q_EMIT nameChanged(m_name);
+}
+```
+
+### Create database
+#### sampledatabase.h
+```
+#ifndef SAMPLEDATABASE_H
+#define SAMPLEDATABASE_H
+
+#include <QtNut/Database>
+
+class SampleTable;
+class SampleDataBase : public NUT_WRAP_NAMESPACE(Database)
+{
+    Q_OBJECT
+    NUT_DB_VERSION(1)
+    NUT_DECLARE_TABLE(SampleTable, items)
+
+public:
+    SampleDataBase();
+};
+
+#endif // SAMPLEDATABASE_H
+```
+
+sampledatabase.cpp
+```
+#include "sampledatabase.h"
+#include "sampletable.h"
+
+SampleDataBase::SampleDataBase() : Nut::Database()
+  , m_items(new Nut::TableSet<SampleTable>(this))
+{
+
+}
+
+```
+
+#### Sample codes:
+```
+qRegisterMetaType<SampleTable*>();
+qRegisterMetaType<SampleDataBase*>();
+
+db.setDriver("QSQLITE");
+db.setDatabaseName("data.sb");
+
+if (db.open()) {
+    qFatal() << "Unable to open the database";
+}
+
+
+// Read add rows from database
+auto list = db.items()->query().toList();
+// list is QList<QSharedPointer<SampleTable>>
+    
+//Select all the people named David.
+auto onlyDavids = db.items()->query().where(SampleTable::nameField() == "David").toList();
+onlyDavids.at(0)->setName("John"); // change him name to John
+db.saveChanges(); // save changed to the database
+
+// Remove all Johns from the database
+db.items()->query().where(SampleTable::nameField() == "John").remove();
+
+// Select rows with folowwing ids: 1, 4, 5, 6
+db.items()->query().where(SampleTable::idField().in({1, 4, 5, 6}));
+
+// Select from id 10 to 20
+db.items()->query().where(SampleTable::idField().between(10, 20));
+
+// Some other samples
+db.items()->query().where(SampleTable::idField() <= 7);
+db.items()->query().where(SampleTable::idField() > 0 || SampleTable::idField() == -3);
+db.items()->query().where(SampleTable::idField() > 10 && (SampleTable::nameField() == "John" || SampleTable::nameField() == "Jim"));
+
+// Select biggest id
+auto biggestId = db.items()->query().max(SampleTable::idField());
+```
 
 ## Getting started
 - [Sample codes](doc/start.md)