docs(tenets): update Idiomatic tenet to Progressive (#615)

* docs: Idiomatic tenet updated to Progressive

* docs: use higher contrast font

Co-authored-by: Pankaj Agrawal <[email protected]>

Author: pankajagrawal16

docs/index.md

@@ -19,7 +19,7 @@ This project separates core utilities that will be available in other runtimes v
 * **Keep it lean** – Additional dependencies are carefully considered for security and ease of maintenance, and prevent negatively impacting startup time.
 * **We strive for backwards compatibility** – New features and changes should keep backwards compatibility. If a breaking change cannot be avoided, the deprecation and migration process should be clearly defined.
 * **We work backwards from the community** – We aim to strike a balance of what would work best for 80% of customers. Emerging practices are considered and discussed via Requests for Comment (RFCs)
-* **Idiomatic** – Utilities follow programming language idioms and language-specific best practices.
+* **Progressive** -  Utilities are designed to be incrementally adoptable for customers at any stage of their Serverless journey. They follow language idioms and their community’s common practices.
 
 ## Install
 

mkdocs.yml

@@ -17,6 +17,8 @@ nav:
 
 theme:
   name: material
+  font:
+    text: Ubuntu
   palette:
     primary: deep purple
   features: