added a change log
Add Key-Files.md to document metadata, configuration, and log files in APPN workflow
Update Home.md to clarify reference to APPN nodes in the introduction
Update documentation to include Vault folder for GOBI and CALVIS sensors, clarifying its purpose in data preservation
Update wiki to reflect ProjectBuilder.py changes (MakeTableFile, RunOverview.csv, YAML auto-update, orphan project detection)
Add wiki pages: Home, Folder Structure, ProjectBuilder, NodeSummary, Code Modules, Core Functions
Initial Home page