fix broken links

Author: mjhajharia

docs/source/semantic_sphinx/layout.html

@@ -68,7 +68,7 @@
                         <i class="search link icon"></i>
                     </form>
                 </div>
-                <a class="item" href="https://github.com/pymc-devs/pymc3"><i class="github blue icon large"></i></a>
+                <a class="item" href="https://github.com/pymc-devs/pymc"><i class="github blue icon large"></i></a>
             </div>
         </div>
     </div>
@@ -86,17 +86,17 @@ <h2>Probabilistic Programming in Python</h2>
 <div class="ui container" role="main">
     {% if pagename == 'index' %}
     <div class="ui vertical segment">
-        <a class="ui image" href="https://github.com/pymc-devs/pymc3/actions">
-            <img src="https://github.com/pymc-devs/pymc3/workflows/pytest/badge.svg">
+        <a class="ui image" href="https://github.com/pymc-devs/pymc/actions">
+            <img src="https://github.com/pymc-devs/pymc/workflows/pytest/badge.svg">
         </a>
-        <a class="ui image" href="https://coveralls.io/github/pymc-devs/pymc3?branch=master">
-            <img src="https://coveralls.io/repos/github/pymc-devs/pymc3/badge.svg?branch=master">
+        <a class="ui image" href="https://coveralls.io/github/pymc-devs/pymc?branch=v3">
+            <img src="https://coveralls.io/repos/github/pymc-devs/pymc/badge.svg?branch=v3">
         </a>
         <a class="ui image" href="https://tidelift.com/subscription/pkg/pypi-pymc3?utm_source=pypi-pymc3&utm_medium=referral&utm_campaign=enterprise">
         <a class="ui image" href="https://www.numfocus.org/">
             <img src="https://img.shields.io/badge/powered%20by-NumFOCUS-orange.svg?style=flat&colorA=E1523D&colorB=007D8A">
         </a>
-        <a class="ui image" href="https://mybinder.org/v2/gh/pymc-devs/pymc3/master?filepath=%2Fdocs%2Fsource%2Fnotebooks">
+        <a class="ui image" href="https://mybinder.org/v2/gh/pymc-devs/pymc/v3?filepath=%2Fdocs%2Fsource%2Fnotebooks">
             <img src="https://mybinder.org/badge_logo.svg">
         </a>
         <a class="ui image" href="https://hub.docker.com/r/pymc/pymc3">
@@ -114,7 +114,7 @@ <h2>Probabilistic Programming in Python</h2>
 {%- block footer %}
 <div class="ui vertical footer segment">
     <div class="ui center aligned container">
-        <a href="https://github.com/pymc-devs/pymc3"><i class="github icon large"></i></a>
+        <a href="https://github.com/pymc-devs/pymc"><i class="github icon large"></i></a>
         <a href="https://twitter.com/pymc_devs"><i class="twitter icon large"></i></a>
         <a href="https://discourse.pymc.io/"><i class="discourse icon large"></i></a>
     </div>