feat(service): Add working database persistency

pubspec.lock

@@ -292,12 +292,19 @@ packages:
     source: hosted
     version: "0.6.5"
   json_annotation:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.8.0"
+    version: "4.6.0"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.3.2"
   lints:
     dependency: transitive
     description:
@@ -415,6 +422,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.7"
+  source_helper:
+    dependency: transitive
+    description:
+      name: source_helper
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.3"
   source_span:
     dependency: transitive
     description:
@@ -422,6 +436,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.0"
+  sqflite:
+    dependency: "direct main"
+    description:
+      name: sqflite
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.4+1"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.4.2+2"
   stack_trace:
     dependency: transitive
     description:
@@ -457,6 +485,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0+3"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   term_glyph:
     dependency: transitive
     description:
@@ -515,4 +550,4 @@ packages:
     version: "3.1.1"
 sdks:
   dart: ">=2.18.4 <3.0.0"
-  flutter: ">=1.16.0"
+  flutter: ">=3.3.0"