readme overhaul pt 3.4 light and dark mode headersv2

Author: arth-shukla

SP22/nlp-series/NLP_Main_Header_Dark.png

@@ -1,4 +1,5 @@
 ![Header for Workshop 3: Seq 2 Seq for Translation](./NLP_Main_Header_Light.png#gh-light-mode-only)
+![Header for Workshop 3: Seq 2 Seq for Translation](./NLP_Main_Header_Dark.png#gh-dark-mode-only)
 
 # NLP Workshop Series
 The official ACM AI NLP Workshop Series repository.
@@ -49,6 +50,8 @@ nlp-series
     | -- workshop-3
     |        | -- [Workshop 3 Resources]
     | 
+    | -- NLP_Main_Header_Dark.png
+    | -- NLP_Main_Header_Light.png
     | -- README.md
 ```
 

SP22/nlp-series/NLP_Main_Header_Light.png

@@ -36,6 +36,8 @@ workshop-1
         | -- NLPW1_Fig1b.png
         | -- NLPW1_Fig2.png
         | -- NLPW1_Fig3.png
+        | -- NLPW1_Header_Dark.png
+        | -- NLPW1_Header_Light.png
     | -- presentation-resources
         | -- NLP_Workshop_1_-_Basics_of_NLP.pptx
         | -- ws1_summary_graphic.pdf

SP22/nlp-series/README.md

@@ -1,4 +1,5 @@
 ![Header for Workshop 2: R N Ns for Multiclassification](./figures/NLPW2_Header_Light.png#gh-light-mode-only)
+![Header for Workshop 2: R N Ns for Multiclassification](./figures/NLPW2_Header_Dark.png#gh-dark-mode-only)
 
 The official ACM AI NLP Workshop Series - Workshop 2 repository.
 
@@ -41,6 +42,8 @@ workshop-2
         | -- NLPW2_Fig2.png
         | -- NLPW2_Fig3a.png
         | -- NLPW2_Fig3b.png
+        | -- NLPW2_Header_Dark.png
+        | -- NLPW2_Header_Light.png
     | -- presentation-resources
         | -- NLP_Workshop_2_-_RNN_for_Multi-Classification.pptx
         | -- ws2_summary_graphic.pdf

SP22/nlp-series/workshop-1/README.md

@@ -1,4 +1,5 @@
 ![Header for Workshop 3: Seq 2 Seq for Translation](./figures/NLPW3_Header_Light.png#gh-light-mode-only)
+![Header for Workshop 3: Seq 2 Seq for Translation](./figures/NLPW3_Header_Dark.png#gh-dark-mode-only)
 
 The official ACM AI NLP Workshop Series - Workshop 3 repository.
 
@@ -44,6 +45,8 @@ workshop-3
         | -- NLPW3_Fig5a.png
         | -- NLPW3_Fig5b.png
         | -- NLPW3_Fig5c.png
+        | -- NLPW3_Header_Dark.png
+        | -- NLPW3_Header_Light.png
     | -- presentation-resources
         | -- NLP_Workshop_3_-_Seq2Seq_for_Machine_Translation.pptx
         | -- ws3_summary_graphic.pdf