add project level .lintr

.Rprofile

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+options(lintr.linter_file = ".lintr")

.lintr

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+linters: list(
+    absolute_path_linter(lax = TRUE),
+    assignment_linter(allow_cascading_assign = FALSE, allow_right_assign = TRUE),
+    brace_linter(allow_single_line = FALSE),
+    commas_linter(),
+    commented_code_linter(),
+    cyclocomp_linter(complexity_limit = 15L),
+    equals_na_linter(),
+    function_left_parentheses_linter(),
+    infix_spaces_linter(exclude_operators = NULL, allow_multiple_spaces = TRUE),
+    line_length_linter(length = 80L),
+    object_length_linter(length = 30L),
+    object_name_linter(styles = "snake_case"),
+    object_usage_linter(interpret_glue = TRUE),
+    paren_body_linter(),
+    pipe_continuation_linter(),
+    quotes_linter(delimiter = "\""),
+    semicolon_linter(allow_compound = FALSE, allow_trailing = FALSE),
+    seq_linter(),
+    spaces_inside_linter(),
+    spaces_left_parentheses_linter(),
+    T_and_F_symbol_linter(),
+    trailing_blank_lines_linter(),
+    trailing_whitespace_linter(allow_empty_lines = FALSE),
+    vector_logic_linter(),
+    whitespace_linter()
+  )
+exclusions: list("renv", "packrat", "source/targets/mas_steekproef_zn_lm/renv")