Use relative base path respective to config file

[samirsilwal]

closes #225

Changes

• Update base path to be relative to sync-db config file location
• Update name extraction condition
• Update default value for base path

Test

• directory structure
  

1. CMD yarn sync-db migrate-list --config=./src/sync-db.yml
   

2. CMD yarn sync-db migrate-rollback --config=./src/sync-db.yml
   

3. CMD yarn sync-db migrate-latest --config=$(pwd)/src/sync-db.yml
   

4. CMD yarn sync-db synchronize --config=$(pwd)/src/sync-db.yml
   

5. CMD yarn sync-db make test_update_example --config=$(pwd)/src/sync-db.yml
   

• directory structure 2
  

1. CMD yarn sync-db migrate-list --config=./sync-db.yml
   

2. CMD yarn sync-db migrate-rollback --config=./sync-db.yml
   

3. CMD yarn sync-db migrate-latest --config=$(pwd)/sync-db.yml
   

4. CMD yarn sync-db synchronize --config=$(pwd)/sync-db.yml
   

[samirsilwal]

I think there some issue with codecov 🤔 saw in somewhere else as well

[mesaugat]

@samirsilwal The codecov package is deprecated. We should remove that dependency and use the codecov github action instead.