feat: update Read the Docs configuration to use specific requirements file and add mkdocs-material dependency

.readthedocs.yaml

@@ -19,4 +19,4 @@ mkdocs:
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
 python:
     install:
-    - requirements: requirements.txt
+    - requirements: /docs/requirements.txt

docs/requirements.txt

@@ -0,0 +1 @@
+mkdocs-material

mkdocs.yml

@@ -3,7 +3,6 @@ site_description: Intelligent Document Processing & Management
 site_url: https://docuelevate.readthedocs.io/
 repo_url: https://github.com/christianlouis/DocuElevate
 repo_name: DocuElevate
-repo_type: github
 theme:
   name: material
   logo: frontend/static/logo_writing.svg