Addition to categories to python templates (#1088)

* addition to categories for python-app template

* adding categories to pylint template

* adding categories to python-package template

Co-authored-by: Ashwin Sangem <ashwinsangem@github.com>

ci/properties/pylint.properties.json

@@ -2,5 +2,5 @@
     "name": "Pylint",
     "description": "Lint a Python application with pylint.",
     "iconName": "python",
-    "categories": ["Python"]
+    "categories": ["Python", "Bottle", "Flask"]
 }

ci/properties/python-app.properties.json

@@ -2,5 +2,5 @@
     "name": "Python application",
     "description": "Create and test a Python application.",
     "iconName": "python",
-    "categories": ["Python"]
+    "categories": ["Python", "Bottle", "Flask"]
 }

ci/properties/python-package.properties.json

@@ -2,5 +2,5 @@
     "name": "Python package",
     "description": "Create and test a Python package on multiple Python versions.",
     "iconName": "python",
-    "categories": ["Python"]
+    "categories": ["Python", "Bottle", "Flask"]
 }