Removed files downloaded to docs folders

Author: kanhereashwin

.gitignore

@@ -14,8 +14,14 @@ results/*
 
 # ignore downloaded csv files in notebook tutorials
 *.csv
+# Ignore downloaded precise ephimerides files by default
+*.sp3
+*.clk
 !data/unit_test/*/*.csv
 !notebooks/tutorials/myreceiver.csv
+# Include unit test files for precise ephimerides
+!data/unit_test/*/*.sp3
+!data/unit_test/*/*.clk
 
 #Excluding VS Code files
 .vscode/*