feat: Add bing and google operator #918 (#1745)

feat: change all file names to lowercase #1574 (#1575)

feat: validate the name field of the categorize operator for duplicate names and nulls #918 (#1471)

fix: monitor changes in the data.form field of the categorize and relevant operators and then synchronize them to the edge #918 (#1469)

feat: display the debugging results of each operator in a pop-up window #918 (#1445)

feat: translate graph and chat text (#1433)

feat: when Categorize establishes a connection with other operators, it adds the target node to the to field. #918 (#1418)

feat: modify the style of the operator #918 (#1335)

feat: modify the name of an operator #918 (#1333)

feat: construct the edge of the classification operator from dsl #918 (#1329)

feat: restrict classification operators cannot be connected to Answer and other classification #918 (#1294)