Add CSB version support to version selector, app routing, and Dockerfile

CSB/19_Psalms/Chapter_20.md

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+Psalm 20Deliverance in Battle
+
+1. 
+
+May the Lord answer you in a day of trouble;
+may the name of Jacob's God protect you.
+
+2. May he send you help from the sanctuary
+and sustain you from Zion.
+
+3. May he remember all your offerings
+and accept your burnt offering.Selah
+
+4. May he give you what your heart desires
+and fulfill your whole purpose.
+
+5. Let us shout for joy at your victory
+and lift the banner in the name of our God.
+
+
+May the Lord fulfill all your requests.
+
+6. Now I know that the Lord gives victory to his anointed;
+he will answer him from his holy heaven
+with mighty victories from his right hand.
+
+7. Some take pride in chariots, and others in horses,
+but we take pride in the name of the Lord our God.
+
+8. They collapse and fall,
+but we rise and stand firm.
+
+9. Lord, give victory to the king!
+May he answer us on the day that we call.
+
+
+
+