feat(rule): trigger oxford comma rule on clauses

Author: naiyerasif

Prim/OxfordComma.yml

@@ -4,4 +4,4 @@ level: suggestion
 scope: sentence
 nonword: true
 tokens:
-  - '\w+(?:,\s*\w+){1,} (?:and|or) \w+[.?!]'
+  - '\b[\w\s]+?(?:,\s*[\w\s]+){1,}\s+(?:and|or)\s+[\w\s]+[.?!]?'

test/fixtures/OxfordComma/test.md

@@ -1,6 +1,14 @@
 # Oxford Comma
 
+<!-- ❌ trigger on the missing comma before and/or for listing three or more items -->
 The ingredients for the recipe included flour, sugar, eggs and butter.
-<!-- He enjoys reading, playing the guitar and hiking in his free time. -->
-Should I unpack my clothes, toiletries or books?
-<!-- You can choose to visit the museum, go hiking or relax at home. -->
+Should I first unpack my clothes, toiletries or books?
+
+<!-- ❌ trigger on the missing comma before and/or for listing three or more clauses -->
+He enjoys reading, playing the guitar and hiking in his free time.
+You can choose to visit the museum, go hiking or relax at home.
+Why don't you try out fishing on the lake, taking a hike, reading on the beach or just lazing around?
+
+<!-- ✅ ignore on the use of two items around and/or -->
+The improvements come in bits and pieces.
+You can choose to go fast or go smoothly.

test/snapshots/OxfordComma.log

@@ -1,2 +1,5 @@
-test.md:3:41:Prim.OxfordComma:Use the Oxford comma in 'flour, sugar, eggs and butter.'.
-test.md:5:20:Prim.OxfordComma:Use the Oxford comma in 'clothes, toiletries or books?'.
+test.md:4:1:Prim.OxfordComma:Use the Oxford comma in 'The ingredients for the recipe included flour, sugar, eggs and butter.'.
+test.md:5:1:Prim.OxfordComma:Use the Oxford comma in 'Should I first unpack my clothes, toiletries or books?'.
+test.md:8:1:Prim.OxfordComma:Use the Oxford comma in 'He enjoys reading, playing the guitar and hiking in his free time.'.
+test.md:9:1:Prim.OxfordComma:Use the Oxford comma in 'You can choose to visit the museum, go hiking or relax at home.'.
+test.md:10:9:Prim.OxfordComma:Use the Oxford comma in 't you try out fishing on the lake, taking a hike, reading on the beach or just lazing around?'.