feat(g0v0-migrate): implement g0v0 migration system with plugin support (#97)

For details please view the PR.

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

uv.lock

@@ -2,6 +2,12 @@ version = 1
 revision = 3
 requires-python = ">=3.12"
 
+[manifest]
+members = [
+    "g0v0-migrations",
+    "g0v0-server",
+]
+
 [[package]]
 name = "aioboto3"
 version = "15.5.0"
@@ -714,6 +720,27 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/ee/45/b82e3c16be2182bff01179db177fe144d58b5dc787a7d4492c6ed8b9317f/frozenlist-1.7.0-py3-none-any.whl", hash = "sha256:9a5af342e34f7e97caf8c995864c7a396418ae2859cc6fdf1b1073020d516a7e", size = 13106, upload-time = "2025-06-09T23:02:34.204Z" },
 ]
 
+[[package]]
+name = "g0v0-migrations"
+version = "0.1.0"
+source = { editable = "packages/g0v0-migrations" }
+dependencies = [
+    { name = "aiomysql" },
+    { name = "alembic" },
+    { name = "click" },
+    { name = "pydantic" },
+    { name = "pydantic-settings" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "aiomysql", specifier = ">=0.3.2" },
+    { name = "alembic", specifier = ">=1.17.2" },
+    { name = "click", specifier = ">=8.3.0" },
+    { name = "pydantic", specifier = ">=2.11.9" },
+    { name = "pydantic-settings", specifier = ">=2.12.0" },
+]
+
 [[package]]
 name = "g0v0-server"
 version = "0.1.0"
@@ -729,6 +756,7 @@ dependencies = [
     { name = "cryptography" },
     { name = "fastapi" },
     { name = "fastapi-limiter" },
+    { name = "g0v0-migrations" },
     { name = "httpx" },
     { name = "jinja2" },
     { name = "loguru" },
@@ -779,6 +807,7 @@ requires-dist = [
     { name = "cryptography", specifier = ">=41.0.7" },
     { name = "fastapi", specifier = ">=0.104.1" },
     { name = "fastapi-limiter", specifier = ">=0.1.6" },
+    { name = "g0v0-migrations", editable = "packages/g0v0-migrations" },
     { name = "httpx", specifier = ">=0.28.1" },
     { name = "jinja2", specifier = ">=3.1.0" },
     { name = "loguru", specifier = ">=0.7.3" },