move tutorials to dedicated folder

docs/source/algorithm.md → docs/source/documentation/algorithm.md

+---
+jupytext:
+  text_representation:
+    extension: .md
+    format_name: myst
+    format_version: 0.13
+    jupytext_version: 1.14.4
+kernelspec:
+  display_name: Python 3 (ipykernel)
+  language: python
+  name: python3
+---
 # Algorithm overview
 
 ## Self-consistency loop

docs/source/mf_notes.md → docs/source/documentation/mf_notes.md

+---
+jupytext:
+  text_representation:
+    extension: .md
+    format_name: myst
+    format_version: 0.13
+    jupytext_version: 1.14.4
+kernelspec:
+  display_name: Python 3 (ipykernel)
+  language: python
+  name: python3
+---
 # Theory overview
 
 ## Interacting problems

docs/source/index.md

@@ -18,12 +18,8 @@ kernelspec:
 :maxdepth: 1
 :caption: Tutorials
 
-
-mf_notes.md
-algorithm.md
-hubbard_1d.md
-graphene_example.md
-
+tutorial/hubbard_1d.md
+tutorial/graphene_example.md
 ```
 
 ```{toctree}
@@ -31,8 +27,8 @@ graphene_example.md
 :maxdepth: 1
 :caption: Documentation
 
-mf_notes.md
-algorithm.md
+documentation/mf_notes.md
+documentation/algorithm.md
 documentation/pymf.md
 ```