configure the Viewer for both csv files

this will enable the viewer for good, there was still an error because the files don't share the same schema (the second file is empty)

alternatively removing proxy-tools.csv also fixes the viewer issue

README.md

@@ -0,0 +1,7 @@
+---
+configs:
+- config_name: "mcp-tools"
+  data_files: "mcp-tools.csv"
+- config_name: "proxy-tools"
+  data_files: "proxy-tools.csv"
+---