Add optional override for base image#182

tashabits wants to merge 2 commits intomainLind-Project/lind-wasm-apps:mainfrom

51-adapt-lind-wasm-app-repo-to-be-able-to-run-with-a-custom-branch-of-lind-wasm-repo-that-can-be-configuredLind-Project/lind-wasm-apps:51-adapt-lind-wasm-app-repo-to-be-able-to-run-with-a-custom-branch-of-lind-wasm-repo-that-can-be-configuredCopy head branch name to clipboard