add coala xonfig

.coafile

@@ -0,0 +1,31 @@
+[Default]
+bears = IndentBear,LineLengthBear,SpaceConsistencyBear
+max_line_length = 99
+use_spaces = False
+indent_cli_options = -bad -bap -bbo -nbc -br -brs -brf -c33 -cd33 -cdb -ce -ci4 -cli4 -cbi4 -cdw \
+						-cp33 -cs -d0 -di1 -fc1 -fca -hnl -i4 -ip0 -l99 -lp -npcs -ut -nprs -npsl \
+						-saf -sai -saw -sc -nsob -nss -ts4
+
+[C]
+bears = CPPLintBear,ClangASTPrintBear,ClangBear,ClangCloneDetectionBear,ClangFunctionDifferenceBear
+files = **/*.(c|h|cpp)
+
+[JavaScript]
+bears = JSHintBear
+files = **/*.js
+
+[Python]
+bears=PEP8Bear,PyCommentedCodeBear,PyImportSortBear,PyLintBear,PyUnusedCodeBear
+files = **/*.py
+
+[Docker]
+bears= DockerfileLintBear
+files= **/Dockerfile
+
+[Markdown]
+bears = AlexBear,MarkdownBear
+files = **/*.md
+
+[JSON]
+bears = JSONFormatBear
+files = **/*.json