Introduce insightful charts to streamline and monitor complaint management

This commit introduces a meticulously designed dashboard enriched with insightful charts. The purpose is to enhance the ease and efficiency of managing and tracking complaints. By incorporating these visually captivating charts, the system empowers stakeholders with comprehensive tools to gain valuable insights.

Key changes included in this commit:

1. Integration of a bar chart that presents an accurate depiction of the count of registered complaint types. This enables a swift and intuitive understanding of the distribution of various complaint categories.
2. Implementation of an area graph chart to visually represent the monthly records of complaints. This facilitates trend analysis, empowering users to identify patterns and derive actionable conclusions.
3. Introduction of a pie chart to visually illustrate the percentage distribution of each registered complaint. This aids in comprehending the relative significance of different complaint types, leading to informed decision-making.

The seamless incorporation of these insightful charts into the dashboard elevates the overall user experience, enabling efficient and effective management and tracking of complaints.