wrote up symbol table structure. Have to correct code and then add type checking grammar rules

src/symbol_table.h

@@ -15,6 +15,8 @@ typedef struct{
 typedef struct{
     int numofdimensions;
     //the above value tells you how long the below array is. For example if num of dimensions is 5, I can store 1,3,2,5,9 to define >    int* arr;
+    int* sizesofdimensions;
+    TableNode* typeofarray;
 }array_info;
 
 typedef struct{