feat(GRPC-spec): define grpc contract between Query parser and query execution enginee

Author: Richard Baah

.gitignore

@@ -111,3 +111,29 @@ src/Backend/test_data/json
 !src/Backend/test_data/parquet/
 !src/Backend/test_data/parquet/capitals_clean.parquet
 !src/Backend/test_data/s3_source/**
+
+# dont push large files to git
+src/Backend/test_data/parquet
+src/Backend/test_data/csv
+src/Backend/test_data/json
+
+# Allow s3_source directory
+!src/Backend/test_data/s3_source/
+!src/Backend/test_data/s3_source/**
+
+# Allow a specific CSV dataset that we want tracked despite the general csv ignores
+!src/Backend/test_data/csv/
+!src/Backend/test_data/csv/Mental_Health_and_Social_Media_Balance_Dataset.csv
+# allow parquet file
+!src/Backend/test_data/parquet/
+!src/Backend/test_data/parquet/capitals_clean.parquet
+!src/Backend/test_data/s3_source/**
+
+# dont push large files to git
+src/Backend/test_data/parquet
+src/Backend/test_data/csv
+src/Backend/test_data/json
+
+# Allow s3_source directory
+!src/Backend/test_data/s3_source/
+!src/Backend/test_data/s3_source/**