config: Add default mage version into config.

src/config.py

@@ -34,7 +34,7 @@ logger = logging.getLogger()
 
 class Config(SQL):
     def __init__(self):
-        self._version = '0.0.1'
+        self._version = '0.0.2'
         self.filename = Config.filename()
         self.set_default_value()
 
@@ -79,12 +79,34 @@ class Config(SQL):
 
         self.commit()
 
+
     def _update(self):
         version = self.execute(f"SELECT value FROM info WHERE key='version'")[0]
 
         if version != self._version:
             logger.info(f"Configuration file update from {version} to {self._version}...")
 
+            major, minor, release = version.strip().split(".")
+
+            if major == minor == "0":
+                if int(release) < 2:
+                    # Add default solver
+                    posix = os.name == 'posix'
+                    self.execute(f"""
+                      INSERT INTO solver VALUES (
+                        'mage8',
+                        'default-mage',
+                        'Default PAMHYR mage 8 version',
+
+                        '', '', '',
+
+                        '',
+                        '@install_dir/mage/mage{"" if posix else ".exe"} -fp=1 @input',
+                        ''
+                      )
+                    """)
+            self.commit()
+
     def _load_solver(self):
         self._solvers = []