Friedland Chapter 6 and half of Chapter 7

.github/CODEOWNERS

@@ -1,2 +1,2 @@
 ## code changes will send PR to following users
-* @jbogaardt @kennethshsu @genedan @henrydingliu
+* @jbogaardt @kennethshsu @genedan @henrydingliu

docs/_toc.yml

@@ -30,6 +30,11 @@ parts:
       - file: user_guide/adjustments.ipynb
       - file: user_guide/workflow.ipynb
       - file: user_guide/utilities.ipynb
+  - chapters:
+    - file: friedland/index.rst
+      sections:
+      - file: friedland/chapter_6.rst
+      - file: friedland/chapter_7.rst
   - chapters:
     - file: gallery/index.md
   - chapters:
@@ -45,4 +50,4 @@ parts:
       - file: library/contributing.md
       - file: library/roadmap.md
   - chapters:
-    - file: library/releases.md
+    - file: library/releases.md

docs/friedland/index.rst

@@ -0,0 +1,8 @@
+======================================
+:octicon:`log` Friedland Recreation
+======================================
+
+Estimating Unpaid Claims Using Basic Techniques
+-------------------------------------------------
+
+This is the CAS Exam 5 textbook for reserving. We will recreate exhibits from this key text using the chainladder package. 

docs/library/generated/chainladder.Development.rst

@@ -3,4 +3,4 @@
 
 .. currentmodule:: chainladder
 
-.. autoclass:: Development
+.. autoclass:: Development

pyproject.toml

@@ -68,7 +68,7 @@ docs = [
     "ipython",
     "parso>=0.8",
     "polars",  # For docs examples
-    "statsmodels",  # For docs example
+    "statsmodels"  # For docs example
 ]
 test = [
     "lxml",