Add CLI application with database migration and entity generation commands

- Introduced a new CLI application in the `apps/cli` directory.
- Implemented commands for database migration and entity generation.
- Updated `Cargo.toml` files to include necessary dependencies.
- Enhanced the `justfile` to facilitate CLI command execution.
- Modified workspace configuration to include the new CLI application.

justfile

@@ -1,6 +1,15 @@
 set dotenv-load := true
+# development environment file
 set dotenv-filename := "./public/database/.env.generated"
 
+cli *args:
+  cd apps/cli && \
+  if [ -n "{{args}}" ]; then \
+    cargo run -- {{args}}; \
+  else \
+    cargo run; \
+  fi
+
 simulate *args:
   cd apps/container && \
   if [ -n "{{args}}" ]; then \
@@ -29,11 +38,5 @@ migrate *args:
   fi
 
 generate-entity:
-  # load development environment variables
-  # sea-orm-cli will also load .env file by default
-  cd public/migration && \
-  sea-orm-cli generate entity \
-    -o ../database/src/generated/entities \
-    --with-serde both \
-    --date-time-crate chrono
-
+  # delegate to cli
+  just cli db:migrate_and_generate --output-path ../../public/database/src/generated/entities