add support for TTS model (#2095)

feat: add rerank models to the project #724 #162 (#966)

The default max tokens of 215 is too small, answers are often cut off.I will modify it to 512 to address this issue. (#845)

feat: display all pdf pages and add DocumentPreview (#88)

feat: create a chat assistant and extract SimilaritySlider (#67)

feat: remove KnowledgeSearching and add knowledge configuration page and add a run button to the document (#64)

feat: add SelectFiles and add KnowledgeTesting (#60)

feat: modify routing to nested mode and rename document (#52)

feat: Modify the color of the svg icon in the header according to the selected state and feat: extract routing information from the knowledge base into constants (#51)