Update .gitignore

Author: joekingss

.gitignore

@@ -2,3 +2,18 @@
 .vscode/
 .idea
 .DS_Store
+.env
+configuration.yaml
+configuration.yml
+powervoting-contracts/yarn.lock
+powervoting-contracts/artifacts
+powervoting-contracts/ignition/deployments
+powervoting-contracts/typechain-types
+powervoting-contracts/.openzeppelin
+*.ucan
+power-oracle-contracts/artifacts
+power-oracle-contracts/typechain-types
+power-oracle-contracts/.openzeppelin
+.env
+*.ucan
+power-oracle-contracts/cache