[basicprofiles] Add a table-of-contents at top of README.md (openhab#18058)

Signed-off-by: Jimmy Tanagra <[email protected]>

Author: jimtng

bundles/org.openhab.transform.basicprofiles/README.md

@@ -1,6 +1,18 @@
 # Basic Profiles
 
-This bundle provides a list of useful Profiles.
+This bundle provides a list of useful Profiles:
+
+| Profile                                                         | Description                                                                                  |
+| --------------------------------------------------------------- | -------------------------------------------------------------------------------------------- |
+| [Generic Command Profile](#generic-command-profile)             | Sends a Command towards the Item when an event is triggered                                  |
+| [Generic Toggle Switch Profile](#generic-toggle-switch-profile) | Toggles a Switch Item when an event is triggered                                             |
+| [Debounce (Counting) Profile](#debounce-counting-profile)       | Counts and skip a number of State changes                                                    |
+| [Debounce (Time) Profile](#debounce-time-profile)               | Reduces the frequency of commands/state updates                                              |
+| [Invert / Negate Profile](#invert--negate-profile)              | Inverts or negate a Command / State                                                          |
+| [Round Profile](#round-profile)                                 | Reduces the number of decimal places from input data                                         |
+| [Threshold Profile](#threshold-profile)                         | Translates numeric input data to `ON` or `OFF` based on a threshold value                    |
+| [Time Range Command Profile](#time-range-command-profile)       | An enhanced implementation of a follow profile which converts `OnOffType` to a `PercentType` |
+| [State Filter Profile](#state-filter-profile)                   | Filters input data using arithmetic comparison conditions                                    |
 
 ## Generic Command Profile