fix(regex, format): Improve regex boundary matching and remove duplicates (#36)

* tweak(regex):  Improve SM737 boundary matching

* remove(regex): Duplicate patterns created by group tiers

* tweak(group_tiers): Prevent creation of duplicate patterns

* tweak(regex): Use `THREESOME` instead of `threesome`

* tweak(regex): Rename `Colour` to `Colourisation`

* tweak(regex): Improve `Colourisation` description

custom_formats/SD Quality Tier 1.yml

@@ -13,7 +13,7 @@ conditions:
   type: source
 - name: TBB
   negate: false
-  pattern: c0ke
+  pattern: TBB
   required: false
   type: release_group
 - name: Dariush