Rename directories to include language. Also update files

codeql-dataflow-sql-injection-c/add-user.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+get-user-info () {
+    echo "*** Welcome to sql injection ***"
+    read -r -p "Please enter name: " NAME
+}
+
+get-new-id () {
+    ID=$(/bin/bash -c 'echo $$')
+}
+
+add-user-info () {
+    echo "
+    INSERT INTO users VALUES ($ID, '$NAME')
+    " | sqlite3 users.sqlite 
+}
+
+show-user-info () {
+    echo "We have the following information for you:"
+    echo "
+    select * FROM users where user_id=$ID
+    " | sqlite3 users.sqlite 
+}
+
+get-user-info
+get-new-id
+add-user-info
+show-user-info