build:项目初始建立。

.editorconfig

@@ -0,0 +1,87 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+max_line_length = 100
+
+[*.java]
+indent_size = 4
+continuation_indent_size = 4
+indent_brace_style = K&R
+end_of_line = lf
+trim_trailing_whitespace = true
+curly_bracket_next_line = false
+insert_final_newline = true
+charset = utf-8
+
+[*.kt]
+indent_size = 2
+continuation_indent_size = 2
+indent_brace_style = K&R
+end_of_line = lf
+trim_trailing_whitespace = true
+curly_bracket_next_line = false
+insert_final_newline = true
+charset = utf-8
+
+[*.{yml, yaml}]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.json]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.sql]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.go]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.py]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.sh]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8
+
+[*.rs]
+indent_size = 4
+indent_style = space
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+charset = utf-8