Fix syntax in issue template and readme (#13)

* Fixed YAML syntax in issue template
* Fixed RST link in readme

Author: michaelosthege

.github/ISSUE_TEMPLATE/feature-request.yml

@@ -25,30 +25,30 @@ body:
 - type: textarea
   attributes:
     label: "Link to a discussion"
-  descrition: >
-    Link to the discussion about this feature request in
-    [Discussions](https://github.com/pymc-devs/pytensor/discussions)
+    description: >
+      Link to the discussion about this feature request in
+      [Discussions](https://github.com/pymc-devs/pytensor/discussions)
   validations:
     required: true
 
 - type: textarea
   attributes:
     label: "Before"
-  descrition: >
-    Please fill the code snippet: How did you workaround your problem or frequent use?
-    Leave empty if you found no workaround.
+    description: >
+      Please fill the code snippet: How did you workaround your problem or frequent use?
+      Leave empty if you found no workaround.
+    render: python
   validations:
     required: false
-  render: python
 
 - type: textarea
   attributes:
     label: "After"
-  descrition: >
-    How you see it implemented with a high level API without going into details
+    description: >
+      How you see it implemented with a high level API without going into details
+    render: python
   validations:
     required: false
-  render: python
 
 - type: textarea
   attributes:

README.rst

@@ -1,6 +1,6 @@
 |Tests Status| |Coverage|
 
-|Project Name| is a fork of `Aesara<https://github.com/aesara-devs/aesara>`__ -- a Python library that allows one to define, optimize, and
+|Project Name| is a fork of `Aesara <https://github.com/aesara-devs/aesara>`__ -- a Python library that allows one to define, optimize, and
 efficiently evaluate mathematical expressions involving multi-dimensional arrays.
 
 Features