Refactor website structure in _quarto.yml and add new text analysis chapters

Author: jairomelo

_quarto.yml

@@ -33,22 +33,31 @@ website:
     contents:
       - href: index.qmd
         text: Home
-      - href: chapters/1.Preprocessing/01_introduction.qmd
-        text: Introduction to Text Preprocessing
-      - href: chapters/1.Preprocessing/02_normalization.qmd
-        text: Normalization & Noise Reduction
-      - href: chapters/1.Preprocessing/03_tokenization.qmd
-        text: Word Tokenization
-      - href: chapters/1.Preprocessing/04_stopwords.qmd
-        text: Stop Words Removal
-      - href: chapters/1.Preprocessing/05_lemmatization.qmd
-        text: Lemmatization
-      - href: chapters/1.Preprocessing/06_conclusion.qmd
-        text: Conclusion
-      #- href: chapters/2.TextAnalysis/introduction.qmd
-        #text: Text Analysis
-      #- href: chapters/3.SentimentAnalysis/introduction.qmd
-        #text: Sentiment Analysis
+      - title: Text Preprocessing
+        contents:
+        - href: chapters/1.Preprocessing/01_introduction.qmd
+          text: Introduction to Text Preprocessing
+        - href: chapters/1.Preprocessing/02_normalization.qmd
+          text: Normalization & Noise Reduction
+        - href: chapters/1.Preprocessing/03_tokenization.qmd
+          text: Word Tokenization
+        - href: chapters/1.Preprocessing/04_stopwords.qmd
+          text: Stop Words Removal
+        - href: chapters/1.Preprocessing/05_lemmatization.qmd
+          text: Lemmatization
+        - href: chapters/1.Preprocessing/06_conclusion.qmd
+          text: Conclusion
+      - title: Text Analysis
+        contents:
+        - href: chapters/2.TextAnalysis/introduction.qmd
+          text: Text Analysis
+        - href: chapters/2.TextAnalysis/common_processes.qmd
+          text: Common Text Analysis Processes
+        - href: chapters/2.TextAnalysis/corpus_analysis.qmd
+          text: Corpus-level Analysis
+        - href: chapters/2.TextAnalysis/frequency_analysis.qmd
+          text: Frequency Analysis
+
       - about.qmd
 
   page-footer: