meta: update clang-format config

some source files are recognised as objc source files due to the use
of array initialiser macros. because of this, the C/C++ formatting settings
defined in .clang-format weren't being used.

now, the correct settings are applied for objc files too.

.clang-format

@@ -56,3 +56,59 @@ AttributeMacros:
 ForEachMacros:
   - b_btree_foreach
   - b_queue_foreach
+---
+Language: ObjC
+DerivePointerAlignment: false
+PointerAlignment: Right
+ColumnLimit: 80
+AlignAfterOpenBracket: AlwaysBreak
+AlignConsecutiveAssignments: None
+AlignConsecutiveBitFields: None
+AlignConsecutiveDeclarations: None
+AlignConsecutiveMacros: AcrossEmptyLinesAndComments
+AlignEscapedNewlines: Right
+AlignOperands: AlignAfterOperator
+AlignTrailingComments: true
+AllowAllArgumentsOnNextLine: false
+AllowAllConstructorInitializersOnNextLine: false
+AllowAllParametersOfDeclarationOnNextLine: false
+AllowShortBlocksOnASingleLine: Empty
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortEnumsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLambdasOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: true
+BinPackParameters: true
+ExperimentalAutoDetectBinPacking: false
+BitFieldColonSpacing: Both
+BreakBeforeBraces: Linux
+BreakBeforeBinaryOperators: All
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeComma
+BreakInheritanceList: BeforeComma
+BreakStringLiterals: true
+ContinuationIndentWidth: 8
+Cpp11BracedListStyle: true
+IncludeBlocks: Regroup
+SortIncludes: true
+IndentRequires: true
+NamespaceIndentation: Inner
+ReflowComments: true
+SpacesBeforeTrailingComments: 3
+TabWidth: 8
+UseTab: AlignWithSpaces
+PenaltyReturnTypeOnItsOwnLine: 1000000
+PenaltyExcessCharacter: 5
+PenaltyBreakOpenParenthesis: 5
+PenaltyBreakBeforeFirstCallParameter: 5
+PenaltyIndentedWhitespace: 0
+AttributeMacros:
+  - BLUELIB_API
+ForEachMacros:
+  - b_btree_foreach
+  - b_queue_foreach