[PR-4815] Correct rouge tabs into spaces, and a missing newline from the end of .gitignore

Author: Scott Dennison

.gitignore

@@ -185,4 +185,4 @@ CodeGraphData/
 /Rubberduck.Deployment/Rubberduck.idl
 
 #Gradle 
-/.gradle/
+/.gradle/

Rubberduck.Parsing/Grammar/VBABaseParserRuleContext.cs

@@ -4,11 +4,11 @@
 
 namespace Rubberduck.Parsing.Grammar
 {
-	// Currently this class does nothing, except allow other languages/implementations to define a custom contextSuperclass without having to change the grammar.
+    // Currently this class does nothing, except allow other languages/implementations to define a custom contextSuperclass without having to change the grammar.
     public abstract class VBABaseParserRuleContext : ParserRuleContext
     {
-		public VBABaseParserRuleContext() : base() { }
-		
+        public VBABaseParserRuleContext() : base() { }
+        
         public VBABaseParserRuleContext(Antlr4.Runtime.ParserRuleContext parent, int invokingStateNumber) : base(parent, invokingStateNumber) { }
     }
 }