Revert "Remove IBM branding from opensource doc"

This reverts commit 64ba33d.

Author: yoavkatz

docs/conf.py

@@ -25,6 +25,7 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = "Unitxt"
+copyright = "2023, IBM Research"
 author = "IBM Research"
 release = constants.version
 html_short_title = "Unitxt"

docs/index.rst

@@ -196,7 +196,7 @@
       <br>
       <br>
       <div class="large-text-black">
-         Unitxt was built to host a maintainable large collection of evaluation assets. If you care about robust evaluation that last, then Unitxt is for you.
+         Unitxt was built by IBM Research to host a maintainable large collection of evaluation assets. If you care about robust evaluation that last, then Unitxt is for you.
       </div>
       <br>
       <br>
@@ -230,6 +230,10 @@
                color: black;
          }
       </style>
+      <div class="ibm-logo">
+        <div class="ibm-text">IBM</div>
+        <div class="research-text">Research</div>
+      </div>
    </div>
    </div>
    </div>