Deprecation of Triton-C and Replacement by decorated Python functions (#86)

This PR implements a major overhaul of the frontend for Triton, and replaces Triton-C by a pure Python API in which kernels are defined as @triton.jit decorated functions. The documentation and tutorials have also been updated to accommodate these changes.

See documentations for more information on the new API

docs/index.rst

@@ -17,15 +17,27 @@ Getting Started
    getting-started/installation
    getting-started/tutorials/index
 
-Programming Guide
+Language Reference
+-------------------
+
+- Checkout the :doc:`Python API Documentation <language-reference/python-api/index>`
+
+
+.. toctree::
+   :maxdepth: 1
+   :caption: Language Reference
+   :hidden:
+
+   language-reference/python-api/index
+
+   
+Going Further
 ------------------
 
 Check out the following documents to learn more about Triton and how it compares against other DSLs for DNNs:
 
 - Chapter 1: :doc:`Introduction <programming-guide/chapter-1/introduction>`
 - Chapter 2: :doc:`Related Work <programming-guide/chapter-2/related-work>`
-- Chapter 3: :doc:`The Triton-C Language <programming-guide/chapter-3/triton-c>`
-- Chapter 4: :doc:`The Triton-IR Intermediate Representation <programming-guide/chapter-4/triton-ir>`
 
 .. toctree::
    :maxdepth: 1
@@ -33,6 +45,4 @@ Check out the following documents to learn more about Triton and how it compares
    :hidden:
 
    programming-guide/chapter-1/introduction
-   programming-guide/chapter-2/related-work
-   programming-guide/chapter-3/triton-c
-   programming-guide/chapter-4/triton-ir
+   programming-guide/chapter-2/related-work