make values capable of being a list & add boost

Signed-off-by: Folling <mail@folling.io>

.clang-format

@@ -87,24 +87,26 @@ IncludeCategories:
     Priority: 2
   - Regex: '^<[a-z0-9_]+>$'
     Priority: 3
-  - Regex: '^<expected/.*>$'
+  - Regex: '^<boost/.*>$'
     Priority: 4
-  - Regex: '^<fmt/.*>$'
+  - Regex: '^<expected/.*>$'
     Priority: 5
-  - Regex: '^<nlohmann/.*>$'
+  - Regex: '^<fmt/.*>$'
     Priority: 6
-  - Regex: '^<range-v3/.*>$'
+  - Regex: '^<nlohmann/.*>$'
     Priority: 7
-  - Regex: '^<catch2/.*>$'
+  - Regex: '^<range-v3/.*>$'
     Priority: 8
-  - Regex: '^<unicode/.*>$'
+  - Regex: '^<catch2/.*>$'
     Priority: 9
-  - Regex: '^<cppbase/.*>$'
+  - Regex: '^<unicode/.*>$'
     Priority: 10
-  - Regex: '^<sqlitecpp/.*>$'
+  - Regex: '^<cppbase/.*>$'
     Priority: 11
-  - Regex: '^<ikarus/.*>$'
+  - Regex: '^<sqlitecpp/.*>$'
     Priority: 12
+  - Regex: '^<ikarus/.*>$'
+    Priority: 13
 
 IndentAccessModifiers: false
 IndentCaseBlocks: false